66463240

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2693}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 149840280

約数和(自身を除く): 83377040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 2693, 3085, 4936, 5386, 6170, 10772, 12340, 13465, 21544, 24680, 26930, 53860, 107720, 1661581, 3323162, 6646324, 8307905, 13292648, 16615810, 33231620, 66463240]

約数ペア:

[(1, 66463240), (2, 33231620), (4, 16615810), (5, 13292648), (8, 8307905), (10, 6646324), (20, 3323162), (40, 1661581), (617, 107720), (1234, 53860), (2468, 26930), (2693, 24680), (3085, 21544), (4936, 13465), (5386, 12340), (6170, 10772)]