845540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 1804992

約数和(自身を除く): 959452

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 631, 670, 1262, 1340, 2524, 3155, 6310, 12620, 42277, 84554, 169108, 211385, 422770, 845540]

約数ペア:

[(1, 845540), (2, 422770), (4, 211385), (5, 169108), (10, 84554), (20, 42277), (67, 12620), (134, 6310), (268, 3155), (335, 2524), (631, 1340), (670, 1262)]