20174800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1676

約数の個数: 60

約数和(自身を含む): 50064256

約数和(自身を除く): 29889456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 1627, 2480, 3100, 3254, 6200, 6508, 8135, 12400, 13016, 16270, 26032, 32540, 40675, 50437, 65080, 81350, 100874, 130160, 162700, 201748, 252185, 325400, 403496, 504370, 650800, 806992, 1008740, 1260925, 2017480, 2521850, 4034960, 5043700, 10087400, 20174800]

約数ペア:

[(1, 20174800), (2, 10087400), (4, 5043700), (5, 4034960), (8, 2521850), (10, 2017480), (16, 1260925), (20, 1008740), (25, 806992), (31, 650800), (40, 504370), (50, 403496), (62, 325400), (80, 252185), (100, 201748), (124, 162700), (155, 130160), (200, 100874), (248, 81350), (310, 65080), (400, 50437), (496, 40675), (620, 32540), (775, 26032), (1240, 16270), (1550, 13016), (1627, 12400), (2480, 8135), (3100, 6508), (3254, 6200)]