12693640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1171}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 28690560

約数和(自身を除く): 15996920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1171, 1355, 2168, 2342, 2710, 4684, 5420, 5855, 9368, 10840, 11710, 23420, 46840, 317341, 634682, 1269364, 1586705, 2538728, 3173410, 6346820, 12693640]

約数ペア:

[(1, 12693640), (2, 6346820), (4, 3173410), (5, 2538728), (8, 1586705), (10, 1269364), (20, 634682), (40, 317341), (271, 46840), (542, 23420), (1084, 11710), (1171, 10840), (1355, 9368), (2168, 5855), (2342, 5420), (2710, 4684)]