51248360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31249}}^1$

素因数の和:31301

約数の個数: 32

約数和(自身を含む): 118125000

約数和(自身を除く): 66876640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 31249, 62498, 124996, 156245, 249992, 312490, 624980, 1249960, 1281209, 2562418, 5124836, 6406045, 10249672, 12812090, 25624180, 51248360]

約数ペア:

[(1, 51248360), (2, 25624180), (4, 12812090), (5, 10249672), (8, 6406045), (10, 5124836), (20, 2562418), (40, 1281209), (41, 1249960), (82, 624980), (164, 312490), (205, 249992), (328, 156245), (410, 124996), (820, 62498), (1640, 31249)]