201580640

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4649}}^1$

素因数の和:4935

約数の個数: 48

約数和(自身を含む): 478094400

約数和(自身を除く): 276513760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2168, 2710, 4336, 4649, 5420, 8672, 9298, 10840, 18596, 21680, 23245, 37192, 43360, 46490, 74384, 92980, 148768, 185960, 371920, 743840, 1259879, 2519758, 5039516, 6299395, 10079032, 12598790, 20158064, 25197580, 40316128, 50395160, 100790320, 201580640]

約数ペア:

[(1, 201580640), (2, 100790320), (4, 50395160), (5, 40316128), (8, 25197580), (10, 20158064), (16, 12598790), (20, 10079032), (32, 6299395), (40, 5039516), (80, 2519758), (160, 1259879), (271, 743840), (542, 371920), (1084, 185960), (1355, 148768), (2168, 92980), (2710, 74384), (4336, 46490), (4649, 43360), (5420, 37192), (8672, 23245), (9298, 21680), (10840, 18596)]