55779020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3662

約数の個数: 48

約数和(自身を含む): 129620736

約数和(自身を除く): 73841716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3571, 3905, 7142, 7810, 14284, 15620, 17855, 35710, 39281, 71420, 78562, 157124, 196405, 253541, 392810, 507082, 785620, 1014164, 1267705, 2535410, 2788951, 5070820, 5577902, 11155804, 13944755, 27889510, 55779020]

約数ペア:

[(1, 55779020), (2, 27889510), (4, 13944755), (5, 11155804), (10, 5577902), (11, 5070820), (20, 2788951), (22, 2535410), (44, 1267705), (55, 1014164), (71, 785620), (110, 507082), (142, 392810), (220, 253541), (284, 196405), (355, 157124), (710, 78562), (781, 71420), (1420, 39281), (1562, 35710), (3124, 17855), (3571, 15620), (3905, 14284), (7142, 7810)]