8904865240

素因数分解:

$2^3\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{140989}}^1$

素因数の和:142579

約数の個数: 32

約数和(自身を含む): 20048778000

約数和(自身を除く): 11143912760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1579, 3158, 6316, 7895, 12632, 15790, 31580, 63160, 140989, 281978, 563956, 704945, 1127912, 1409890, 2819780, 5639560, 222621631, 445243262, 890486524, 1113108155, 1780973048, 2226216310, 4452432620, 8904865240]

約数ペア:

[(1, 8904865240), (2, 4452432620), (4, 2226216310), (5, 1780973048), (8, 1113108155), (10, 890486524), (20, 445243262), (40, 222621631), (1579, 5639560), (3158, 2819780), (6316, 1409890), (7895, 1127912), (12632, 704945), (15790, 563956), (31580, 281978), (63160, 140989)]