40616420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156217}}^1$

素因数の和:156239

約数の個数: 24

約数和(自身を含む): 91856184

約数和(自身を除く): 51239764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 156217, 312434, 624868, 781085, 1562170, 2030821, 3124340, 4061642, 8123284, 10154105, 20308210, 40616420]

約数ペア:

[(1, 40616420), (2, 20308210), (4, 10154105), (5, 8123284), (10, 4061642), (13, 3124340), (20, 2030821), (26, 1562170), (52, 781085), (65, 624868), (130, 312434), (260, 156217)]