51623080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21157}}^1$

素因数の和:21229

約数の個数: 32

約数和(自身を含む): 118061640

約数和(自身を除く): 66438560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 21157, 42314, 84628, 105785, 169256, 211570, 423140, 846280, 1290577, 2581154, 5162308, 6452885, 10324616, 12905770, 25811540, 51623080]

約数ペア:

[(1, 51623080), (2, 25811540), (4, 12905770), (5, 10324616), (8, 6452885), (10, 5162308), (20, 2581154), (40, 1290577), (61, 846280), (122, 423140), (244, 211570), (305, 169256), (488, 105785), (610, 84628), (1220, 42314), (2440, 21157)]