61671080

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7307}}^1$

素因数の和:7529

約数の個数: 32

約数和(自身を含む): 139436640

約数和(自身を除く): 77765560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 7307, 8440, 14614, 29228, 36535, 58456, 73070, 146140, 292280, 1541777, 3083554, 6167108, 7708885, 12334216, 15417770, 30835540, 61671080]

約数ペア:

[(1, 61671080), (2, 30835540), (4, 15417770), (5, 12334216), (8, 7708885), (10, 6167108), (20, 3083554), (40, 1541777), (211, 292280), (422, 146140), (844, 73070), (1055, 58456), (1688, 36535), (2110, 29228), (4220, 14614), (7307, 8440)]