156777210440

素因数分解:

$2^3\times 5^1\times {\mathrm{5581}}^1\times {\mathrm{702281}}^1$

素因数の和:707873

約数の個数: 32

約数和(自身を含む): 352812431160

約数和(自身を除く): 196035220720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5581, 11162, 22324, 27905, 44648, 55810, 111620, 223240, 702281, 1404562, 2809124, 3511405, 5618248, 7022810, 14045620, 28091240, 3919430261, 7838860522, 15677721044, 19597151305, 31355442088, 39194302610, 78388605220, 156777210440]

約数ペア:

[(1, 156777210440), (2, 78388605220), (4, 39194302610), (5, 31355442088), (8, 19597151305), (10, 15677721044), (20, 7838860522), (40, 3919430261), (5581, 28091240), (11162, 14045620), (22324, 7022810), (27905, 5618248), (44648, 3511405), (55810, 2809124), (111620, 1404562), (223240, 702281)]