2858960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2775

約数の個数: 40

約数和(自身を含む): 7161000

約数和(自身を除く): 4302040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2749, 5498, 10996, 13745, 21992, 27490, 35737, 43984, 54980, 71474, 109960, 142948, 178685, 219920, 285896, 357370, 571792, 714740, 1429480, 2858960]

約数ペア:

[(1, 2858960), (2, 1429480), (4, 714740), (5, 571792), (8, 357370), (10, 285896), (13, 219920), (16, 178685), (20, 142948), (26, 109960), (40, 71474), (52, 54980), (65, 43984), (80, 35737), (104, 27490), (130, 21992), (208, 13745), (260, 10996), (520, 5498), (1040, 2749)]