40508560

素因数分解:

$2^4\times 5^1\times {\mathrm{506357}}^1$

素因数の和:506370

約数の個数: 20

約数和(自身を含む): 94182588

約数和(自身を除く): 53674028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506357, 1012714, 2025428, 2531785, 4050856, 5063570, 8101712, 10127140, 20254280, 40508560]

約数ペア:

[(1, 40508560), (2, 20254280), (4, 10127140), (5, 8101712), (8, 5063570), (10, 4050856), (16, 2531785), (20, 2025428), (40, 1012714), (80, 506357)]