162780080

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4721}}^1$

素因数の和:5165

約数の個数: 40

約数和(自身を含む): 379422144

約数和(自身を除く): 216642064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4310, 4721, 6896, 8620, 9442, 17240, 18884, 23605, 34480, 37768, 47210, 75536, 94420, 188840, 377680, 2034751, 4069502, 8139004, 10173755, 16278008, 20347510, 32556016, 40695020, 81390040, 162780080]

約数ペア:

[(1, 162780080), (2, 81390040), (4, 40695020), (5, 32556016), (8, 20347510), (10, 16278008), (16, 10173755), (20, 8139004), (40, 4069502), (80, 2034751), (431, 377680), (862, 188840), (1724, 94420), (2155, 75536), (3448, 47210), (4310, 37768), (4721, 34480), (6896, 23605), (8620, 18884), (9442, 17240)]