1128280

素因数分解:

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

素因数の和:499

約数の個数: 32

約数和(自身を含む): 2582640

約数和(自身を除く): 1454360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 421, 536, 670, 842, 1340, 1684, 2105, 2680, 3368, 4210, 8420, 16840, 28207, 56414, 112828, 141035, 225656, 282070, 564140, 1128280]

約数ペア:

[(1, 1128280), (2, 564140), (4, 282070), (5, 225656), (8, 141035), (10, 112828), (20, 56414), (40, 28207), (67, 16840), (134, 8420), (268, 4210), (335, 3368), (421, 2680), (536, 2105), (670, 1684), (842, 1340)]