78204320

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15767}}^1$

素因数の和:15813

約数の個数: 48

約数和(自身を含む): 190729728

約数和(自身を除く): 112525408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15767, 31534, 63068, 78835, 126136, 157670, 252272, 315340, 488777, 504544, 630680, 977554, 1261360, 1955108, 2443885, 2522720, 3910216, 4887770, 7820432, 9775540, 15640864, 19551080, 39102160, 78204320]

約数ペア:

[(1, 78204320), (2, 39102160), (4, 19551080), (5, 15640864), (8, 9775540), (10, 7820432), (16, 4887770), (20, 3910216), (31, 2522720), (32, 2443885), (40, 1955108), (62, 1261360), (80, 977554), (124, 630680), (155, 504544), (160, 488777), (248, 315340), (310, 252272), (496, 157670), (620, 126136), (992, 78835), (1240, 63068), (2480, 31534), (4960, 15767)]