40753960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 99524880

約数和(自身を除く): 58770920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 362, 433, 520, 724, 866, 905, 1448, 1732, 1810, 2165, 2353, 3464, 3620, 4330, 4706, 5629, 7240, 8660, 9412, 11258, 11765, 17320, 18824, 22516, 23530, 28145, 45032, 47060, 56290, 78373, 94120, 112580, 156746, 225160, 313492, 391865, 626984, 783730, 1018849, 1567460, 2037698, 3134920, 4075396, 5094245, 8150792, 10188490, 20376980, 40753960]

約数ペア:

[(1, 40753960), (2, 20376980), (4, 10188490), (5, 8150792), (8, 5094245), (10, 4075396), (13, 3134920), (20, 2037698), (26, 1567460), (40, 1018849), (52, 783730), (65, 626984), (104, 391865), (130, 313492), (181, 225160), (260, 156746), (362, 112580), (433, 94120), (520, 78373), (724, 56290), (866, 47060), (905, 45032), (1448, 28145), (1732, 23530), (1810, 22516), (2165, 18824), (2353, 17320), (3464, 11765), (3620, 11258), (4330, 9412), (4706, 8660), (5629, 7240)]