63121840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11113}}^1$

素因数の和:11197

約数の個数: 40

約数和(自身を含む): 148838688

約数和(自身を除く): 85716848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 11113, 22226, 44452, 55565, 88904, 111130, 177808, 222260, 444520, 789023, 889040, 1578046, 3156092, 3945115, 6312184, 7890230, 12624368, 15780460, 31560920, 63121840]

約数ペア:

[(1, 63121840), (2, 31560920), (4, 15780460), (5, 12624368), (8, 7890230), (10, 6312184), (16, 3945115), (20, 3156092), (40, 1578046), (71, 889040), (80, 789023), (142, 444520), (284, 222260), (355, 177808), (568, 111130), (710, 88904), (1136, 55565), (1420, 44452), (2840, 22226), (5680, 11113)]