5641400

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 13343640

約数和(自身を除く): 7702240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 421, 536, 670, 842, 1340, 1675, 1684, 2105, 2680, 3350, 3368, 4210, 6700, 8420, 10525, 13400, 16840, 21050, 28207, 42100, 56414, 84200, 112828, 141035, 225656, 282070, 564140, 705175, 1128280, 1410350, 2820700, 5641400]

約数ペア:

[(1, 5641400), (2, 2820700), (4, 1410350), (5, 1128280), (8, 705175), (10, 564140), (20, 282070), (25, 225656), (40, 141035), (50, 112828), (67, 84200), (100, 56414), (134, 42100), (200, 28207), (268, 21050), (335, 16840), (421, 13400), (536, 10525), (670, 8420), (842, 6700), (1340, 4210), (1675, 3368), (1684, 3350), (2105, 2680)]