105412840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{202717}}^1$

素因数の和:202741

約数の個数: 32

約数和(自身を含む): 255424680

約数和(自身を除く): 150011840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 202717, 405434, 810868, 1013585, 1621736, 2027170, 2635321, 4054340, 5270642, 8108680, 10541284, 13176605, 21082568, 26353210, 52706420, 105412840]

約数ペア:

[(1, 105412840), (2, 52706420), (4, 26353210), (5, 21082568), (8, 13176605), (10, 10541284), (13, 8108680), (20, 5270642), (26, 4054340), (40, 2635321), (52, 2027170), (65, 1621736), (104, 1013585), (130, 810868), (260, 405434), (520, 202717)]