51154960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20627}}^1$

素因数の和:20671

約数の個数: 40

約数和(自身を含む): 122777856

約数和(自身を除く): 71622896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20627, 41254, 82508, 103135, 165016, 206270, 330032, 412540, 639437, 825080, 1278874, 1650160, 2557748, 3197185, 5115496, 6394370, 10230992, 12788740, 25577480, 51154960]

約数ペア:

[(1, 51154960), (2, 25577480), (4, 12788740), (5, 10230992), (8, 6394370), (10, 5115496), (16, 3197185), (20, 2557748), (31, 1650160), (40, 1278874), (62, 825080), (80, 639437), (124, 412540), (155, 330032), (248, 206270), (310, 165016), (496, 103135), (620, 82508), (1240, 41254), (2480, 20627)]