11388560

素因数分解:

$2^4\times 5^1\times {\mathrm{142357}}^1$

素因数の和:142370

約数の個数: 20

約数和(自身を含む): 26478588

約数和(自身を除く): 15090028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 142357, 284714, 569428, 711785, 1138856, 1423570, 2277712, 2847140, 5694280, 11388560]

約数ペア:

[(1, 11388560), (2, 5694280), (4, 2847140), (5, 2277712), (8, 1423570), (10, 1138856), (16, 711785), (20, 569428), (40, 284714), (80, 142357)]