91397920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18427}}^1$

素因数の和:18473

約数の個数: 48

約数和(自身を含む): 222905088

約数和(自身を除く): 131507168

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, 18427, 36854, 73708, 92135, 147416, 184270, 294832, 368540, 571237, 589664, 737080, 1142474, 1474160, 2284948, 2856185, 2948320, 4569896, 5712370, 9139792, 11424740, 18279584, 22849480, 45698960, 91397920]

約数ペア:

[(1, 91397920), (2, 45698960), (4, 22849480), (5, 18279584), (8, 11424740), (10, 9139792), (16, 5712370), (20, 4569896), (31, 2948320), (32, 2856185), (40, 2284948), (62, 1474160), (80, 1142474), (124, 737080), (155, 589664), (160, 571237), (248, 368540), (310, 294832), (496, 184270), (620, 147416), (992, 92135), (1240, 73708), (2480, 36854), (4960, 18427)]