1310440

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^2$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 2964870

約数和(自身を除く): 1654430

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 32761, 65522, 131044, 163805, 262088, 327610, 655220, 1310440]

約数ペア:

[(1, 1310440), (2, 655220), (4, 327610), (5, 262088), (8, 163805), (10, 131044), (20, 65522), (40, 32761), (181, 7240), (362, 3620), (724, 1810), (905, 1448)]