1663940

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 3518592

約数和(自身を除く): 1854652

約数列:

[1, 2, 4, 5, 10, 20, 271, 307, 542, 614, 1084, 1228, 1355, 1535, 2710, 3070, 5420, 6140, 83197, 166394, 332788, 415985, 831970, 1663940]

約数ペア:

[(1, 1663940), (2, 831970), (4, 415985), (5, 332788), (10, 166394), (20, 83197), (271, 6140), (307, 5420), (542, 3070), (614, 2710), (1084, 1535), (1228, 1355)]