40307410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 86655744

約数和(自身を除く): 46348334

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 286, 355, 397, 710, 715, 781, 794, 923, 1430, 1562, 1846, 1985, 3905, 3970, 4367, 4615, 5161, 7810, 8734, 9230, 10153, 10322, 20306, 21835, 25805, 28187, 43670, 50765, 51610, 56374, 56771, 101530, 113542, 140935, 281870, 283855, 310057, 366431, 567710, 620114, 732862, 1550285, 1832155, 3100570, 3664310, 4030741, 8061482, 20153705, 40307410]

約数ペア:

[(1, 40307410), (2, 20153705), (5, 8061482), (10, 4030741), (11, 3664310), (13, 3100570), (22, 1832155), (26, 1550285), (55, 732862), (65, 620114), (71, 567710), (110, 366431), (130, 310057), (142, 283855), (143, 281870), (286, 140935), (355, 113542), (397, 101530), (710, 56771), (715, 56374), (781, 51610), (794, 50765), (923, 43670), (1430, 28187), (1562, 25805), (1846, 21835), (1985, 20306), (3905, 10322), (3970, 10153), (4367, 9230), (4615, 8734), (5161, 7810)]