2256560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 5337456

約数和(自身を除く): 3080896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 421, 536, 670, 842, 1072, 1340, 1684, 2105, 2680, 3368, 4210, 5360, 6736, 8420, 16840, 28207, 33680, 56414, 112828, 141035, 225656, 282070, 451312, 564140, 1128280, 2256560]

約数ペア:

[(1, 2256560), (2, 1128280), (4, 564140), (5, 451312), (8, 282070), (10, 225656), (16, 141035), (20, 112828), (40, 56414), (67, 33680), (80, 28207), (134, 16840), (268, 8420), (335, 6736), (421, 5360), (536, 4210), (670, 3368), (842, 2680), (1072, 2105), (1340, 1684)]