51642680

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4909}}^1$

素因数の和:5183

約数の個数: 32

約数和(自身を含む): 116661600

約数和(自身を除く): 65018920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 4909, 5260, 9818, 10520, 19636, 24545, 39272, 49090, 98180, 196360, 1291067, 2582134, 5164268, 6455335, 10328536, 12910670, 25821340, 51642680]

約数ペア:

[(1, 51642680), (2, 25821340), (4, 12910670), (5, 10328536), (8, 6455335), (10, 5164268), (20, 2582134), (40, 1291067), (263, 196360), (526, 98180), (1052, 49090), (1315, 39272), (2104, 24545), (2630, 19636), (4909, 10520), (5260, 9818)]