30788680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59209}}^1$

素因数の和:59233

約数の個数: 32

約数和(自身を含む): 74604600

約数和(自身を除く): 43815920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59209, 118418, 236836, 296045, 473672, 592090, 769717, 1184180, 1539434, 2368360, 3078868, 3848585, 6157736, 7697170, 15394340, 30788680]

約数ペア:

[(1, 30788680), (2, 15394340), (4, 7697170), (5, 6157736), (8, 3848585), (10, 3078868), (13, 2368360), (20, 1539434), (26, 1184180), (40, 769717), (52, 592090), (65, 473672), (104, 296045), (130, 236836), (260, 118418), (520, 59209)]