40258720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 108877608

約数和(自身を除く): 68618888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 41, 68, 76, 80, 82, 85, 95, 136, 152, 160, 164, 170, 190, 205, 272, 304, 323, 328, 340, 361, 380, 410, 544, 608, 646, 656, 680, 697, 722, 760, 779, 820, 1292, 1312, 1360, 1394, 1444, 1520, 1558, 1615, 1640, 1805, 2584, 2720, 2788, 2888, 3040, 3116, 3230, 3280, 3485, 3610, 3895, 5168, 5576, 5776, 6137, 6232, 6460, 6560, 6970, 7220, 7790, 10336, 11152, 11552, 12274, 12464, 12920, 13243, 13940, 14440, 14801, 15580, 22304, 24548, 24928, 25840, 26486, 27880, 28880, 29602, 30685, 31160, 49096, 51680, 52972, 55760, 57760, 59204, 61370, 62320, 66215, 74005, 98192, 105944, 111520, 118408, 122740, 124640, 132430, 148010, 196384, 211888, 236816, 245480, 251617, 264860, 296020, 423776, 473632, 490960, 503234, 529720, 592040, 981920, 1006468, 1059440, 1184080, 1258085, 2012936, 2118880, 2368160, 2516170, 4025872, 5032340, 8051744, 10064680, 20129360, 40258720]

約数ペア:

[(1, 40258720), (2, 20129360), (4, 10064680), (5, 8051744), (8, 5032340), (10, 4025872), (16, 2516170), (17, 2368160), (19, 2118880), (20, 2012936), (32, 1258085), (34, 1184080), (38, 1059440), (40, 1006468), (41, 981920), (68, 592040), (76, 529720), (80, 503234), (82, 490960), (85, 473632), (95, 423776), (136, 296020), (152, 264860), (160, 251617), (164, 245480), (170, 236816), (190, 211888), (205, 196384), (272, 148010), (304, 132430), (323, 124640), (328, 122740), (340, 118408), (361, 111520), (380, 105944), (410, 98192), (544, 74005), (608, 66215), (646, 62320), (656, 61370), (680, 59204), (697, 57760), (722, 55760), (760, 52972), (779, 51680), (820, 49096), (1292, 31160), (1312, 30685), (1360, 29602), (1394, 28880), (1444, 27880), (1520, 26486), (1558, 25840), (1615, 24928), (1640, 24548), (1805, 22304), (2584, 15580), (2720, 14801), (2788, 14440), (2888, 13940), (3040, 13243), (3116, 12920), (3230, 12464), (3280, 12274), (3485, 11552), (3610, 11152), (3895, 10336), (5168, 7790), (5576, 7220), (5776, 6970), (6137, 6560), (6232, 6460)]