2507440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2411}}^1$

素因数の和:2437

約数の個数: 40

約数和(自身を含む): 6280848

約数和(自身を除く): 3773408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2411, 4822, 9644, 12055, 19288, 24110, 31343, 38576, 48220, 62686, 96440, 125372, 156715, 192880, 250744, 313430, 501488, 626860, 1253720, 2507440]

約数ペア:

[(1, 2507440), (2, 1253720), (4, 626860), (5, 501488), (8, 313430), (10, 250744), (13, 192880), (16, 156715), (20, 125372), (26, 96440), (40, 62686), (52, 48220), (65, 38576), (80, 31343), (104, 24110), (130, 19288), (208, 12055), (260, 9644), (520, 4822), (1040, 2411)]