8531053940

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{643}}^1\times {\mathrm{1439}}^1$

素因数の和:2552

約数の個数: 48

約数和(自身を含む): 17994493440

約数和(自身を除く): 9463439500

約数列:

[1, 2, 4, 5, 10, 20, 461, 643, 922, 1286, 1439, 1844, 2305, 2572, 2878, 3215, 4610, 5756, 6430, 7195, 9220, 12860, 14390, 28780, 296423, 592846, 663379, 925277, 1185692, 1326758, 1482115, 1850554, 2653516, 2964230, 3316895, 3701108, 4626385, 5928460, 6633790, 9252770, 13267580, 18505540, 426552697, 853105394, 1706210788, 2132763485, 4265526970, 8531053940]

約数ペア:

[(1, 8531053940), (2, 4265526970), (4, 2132763485), (5, 1706210788), (10, 853105394), (20, 426552697), (461, 18505540), (643, 13267580), (922, 9252770), (1286, 6633790), (1439, 5928460), (1844, 4626385), (2305, 3701108), (2572, 3316895), (2878, 2964230), (3215, 2653516), (4610, 1850554), (5756, 1482115), (6430, 1326758), (7195, 1185692), (9220, 925277), (12860, 663379), (14390, 592846), (28780, 296423)]