31066480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 78102144

約数和(自身を除く): 47035664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 340, 424, 431, 530, 680, 848, 862, 901, 1060, 1360, 1724, 1802, 2120, 2155, 3448, 3604, 4240, 4310, 4505, 6896, 7208, 7327, 8620, 9010, 14416, 14654, 17240, 18020, 22843, 29308, 34480, 36040, 36635, 45686, 58616, 72080, 73270, 91372, 114215, 117232, 146540, 182744, 228430, 293080, 365488, 388331, 456860, 586160, 776662, 913720, 1553324, 1827440, 1941655, 3106648, 3883310, 6213296, 7766620, 15533240, 31066480]

約数ペア:

[(1, 31066480), (2, 15533240), (4, 7766620), (5, 6213296), (8, 3883310), (10, 3106648), (16, 1941655), (17, 1827440), (20, 1553324), (34, 913720), (40, 776662), (53, 586160), (68, 456860), (80, 388331), (85, 365488), (106, 293080), (136, 228430), (170, 182744), (212, 146540), (265, 117232), (272, 114215), (340, 91372), (424, 73270), (431, 72080), (530, 58616), (680, 45686), (848, 36635), (862, 36040), (901, 34480), (1060, 29308), (1360, 22843), (1724, 18020), (1802, 17240), (2120, 14654), (2155, 14416), (3448, 9010), (3604, 8620), (4240, 7327), (4310, 7208), (4505, 6896)]