7897840

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 18480960

約数和(自身を除く): 10583120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 367, 538, 734, 1076, 1345, 1468, 1835, 2152, 2690, 2936, 3670, 4304, 5380, 5872, 7340, 10760, 14680, 21520, 29360, 98723, 197446, 394892, 493615, 789784, 987230, 1579568, 1974460, 3948920, 7897840]

約数ペア:

[(1, 7897840), (2, 3948920), (4, 1974460), (5, 1579568), (8, 987230), (10, 789784), (16, 493615), (20, 394892), (40, 197446), (80, 98723), (269, 29360), (367, 21520), (538, 14680), (734, 10760), (1076, 7340), (1345, 5872), (1468, 5380), (1835, 4304), (2152, 3670), (2690, 2936)]