77105680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31091}}^1$

素因数の和:31135

約数の個数: 40

約数和(自身を含む): 185059584

約数和(自身を除く): 107953904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 31091, 62182, 124364, 155455, 248728, 310910, 497456, 621820, 963821, 1243640, 1927642, 2487280, 3855284, 4819105, 7710568, 9638210, 15421136, 19276420, 38552840, 77105680]

約数ペア:

[(1, 77105680), (2, 38552840), (4, 19276420), (5, 15421136), (8, 9638210), (10, 7710568), (16, 4819105), (20, 3855284), (31, 2487280), (40, 1927642), (62, 1243640), (80, 963821), (124, 621820), (155, 497456), (248, 310910), (310, 248728), (496, 155455), (620, 124364), (1240, 62182), (2480, 31091)]