1288736080

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{122971}}^1$

素因数の和:123115

約数の個数: 40

約数和(自身を含む): 3019208544

約数和(自身を除く): 1730472464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 122971, 245942, 491884, 614855, 983768, 1229710, 1967536, 2459420, 4918840, 9837680, 16109201, 32218402, 64436804, 80546005, 128873608, 161092010, 257747216, 322184020, 644368040, 1288736080]

約数ペア:

[(1, 1288736080), (2, 644368040), (4, 322184020), (5, 257747216), (8, 161092010), (10, 128873608), (16, 80546005), (20, 64436804), (40, 32218402), (80, 16109201), (131, 9837680), (262, 4918840), (524, 2459420), (655, 1967536), (1048, 1229710), (1310, 983768), (2096, 614855), (2620, 491884), (5240, 245942), (10480, 122971)]