40839110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{991}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 79494912

約数和(自身を除く): 38655802

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 634, 991, 1585, 1982, 3170, 4121, 4955, 8242, 9910, 12883, 20605, 25766, 41210, 64415, 128830, 314147, 628294, 1570735, 3141470, 4083911, 8167822, 20419555, 40839110]

約数ペア:

[(1, 40839110), (2, 20419555), (5, 8167822), (10, 4083911), (13, 3141470), (26, 1570735), (65, 628294), (130, 314147), (317, 128830), (634, 64415), (991, 41210), (1585, 25766), (1982, 20605), (3170, 12883), (4121, 9910), (4955, 8242)]