13940140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9817}}^1$

素因数の和:9897

約数の個数: 24

約数和(自身を含む): 29689632

約数和(自身を除く): 15749492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9817, 19634, 39268, 49085, 98170, 196340, 697007, 1394014, 2788028, 3485035, 6970070, 13940140]

約数ペア:

[(1, 13940140), (2, 6970070), (4, 3485035), (5, 2788028), (10, 1394014), (20, 697007), (71, 196340), (142, 98170), (284, 49085), (355, 39268), (710, 19634), (1420, 9817)]