40292720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 111367872

約数和(自身を除く): 71075152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 43, 52, 53, 65, 68, 80, 85, 86, 104, 106, 130, 136, 170, 172, 208, 212, 215, 221, 260, 265, 272, 340, 344, 424, 430, 442, 520, 530, 559, 680, 688, 689, 731, 848, 860, 884, 901, 1040, 1060, 1105, 1118, 1360, 1378, 1462, 1720, 1768, 1802, 2120, 2210, 2236, 2279, 2756, 2795, 2924, 3440, 3445, 3536, 3604, 3655, 4240, 4420, 4472, 4505, 4558, 5512, 5590, 5848, 6890, 7208, 7310, 8840, 8944, 9010, 9116, 9503, 11024, 11180, 11395, 11696, 11713, 13780, 14416, 14620, 17680, 18020, 18232, 19006, 22360, 22790, 23426, 27560, 29240, 29627, 36040, 36464, 38012, 38743, 44720, 45580, 46852, 47515, 55120, 58480, 58565, 59254, 72080, 76024, 77486, 91160, 93704, 95030, 117130, 118508, 148135, 152048, 154972, 182320, 187408, 190060, 193715, 234260, 237016, 296270, 309944, 380120, 387430, 468520, 474032, 503659, 592540, 619888, 760240, 774860, 937040, 1007318, 1185080, 1549720, 2014636, 2370160, 2518295, 3099440, 4029272, 5036590, 8058544, 10073180, 20146360, 40292720]

約数ペア:

[(1, 40292720), (2, 20146360), (4, 10073180), (5, 8058544), (8, 5036590), (10, 4029272), (13, 3099440), (16, 2518295), (17, 2370160), (20, 2014636), (26, 1549720), (34, 1185080), (40, 1007318), (43, 937040), (52, 774860), (53, 760240), (65, 619888), (68, 592540), (80, 503659), (85, 474032), (86, 468520), (104, 387430), (106, 380120), (130, 309944), (136, 296270), (170, 237016), (172, 234260), (208, 193715), (212, 190060), (215, 187408), (221, 182320), (260, 154972), (265, 152048), (272, 148135), (340, 118508), (344, 117130), (424, 95030), (430, 93704), (442, 91160), (520, 77486), (530, 76024), (559, 72080), (680, 59254), (688, 58565), (689, 58480), (731, 55120), (848, 47515), (860, 46852), (884, 45580), (901, 44720), (1040, 38743), (1060, 38012), (1105, 36464), (1118, 36040), (1360, 29627), (1378, 29240), (1462, 27560), (1720, 23426), (1768, 22790), (1802, 22360), (2120, 19006), (2210, 18232), (2236, 18020), (2279, 17680), (2756, 14620), (2795, 14416), (2924, 13780), (3440, 11713), (3445, 11696), (3536, 11395), (3604, 11180), (3655, 11024), (4240, 9503), (4420, 9116), (4472, 9010), (4505, 8944), (4558, 8840), (5512, 7310), (5590, 7208), (5848, 6890)]