2802712120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5389831}}^1$

素因数の和:5389855

約数の個数: 32

約数和(自身を含む): 6791188320

約数和(自身を除く): 3988476200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5389831, 10779662, 21559324, 26949155, 43118648, 53898310, 70067803, 107796620, 140135606, 215593240, 280271212, 350339015, 560542424, 700678030, 1401356060, 2802712120]

約数ペア:

[(1, 2802712120), (2, 1401356060), (4, 700678030), (5, 560542424), (8, 350339015), (10, 280271212), (13, 215593240), (20, 140135606), (26, 107796620), (40, 70067803), (52, 53898310), (65, 43118648), (104, 26949155), (130, 21559324), (260, 10779662), (520, 5389831)]