408966560

素因数分解:

$2^5\times 5^1\times {\mathrm{2556041}}^1$

素因数の和:2556056

約数の個数: 24

約数和(自身を含む): 966183876

約数和(自身を除く): 557217316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2556041, 5112082, 10224164, 12780205, 20448328, 25560410, 40896656, 51120820, 81793312, 102241640, 204483280, 408966560]

約数ペア:

[(1, 408966560), (2, 204483280), (4, 102241640), (5, 81793312), (8, 51120820), (10, 40896656), (16, 25560410), (20, 20448328), (32, 12780205), (40, 10224164), (80, 5112082), (160, 2556041)]