28311560

素因数分解:

$2^3\times 5^1\times {\mathrm{707789}}^1$

素因数の和:707800

約数の個数: 16

約数和(自身を含む): 63701100

約数和(自身を除く): 35389540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 707789, 1415578, 2831156, 3538945, 5662312, 7077890, 14155780, 28311560]

約数ペア:

[(1, 28311560), (2, 14155780), (4, 7077890), (5, 5662312), (8, 3538945), (10, 2831156), (20, 1415578), (40, 707789)]