15948560

素因数分解:

$2^4\times 5^1\times {\mathrm{199357}}^1$

素因数の和:199370

約数の個数: 20

約数和(自身を含む): 37080588

約数和(自身を除く): 21132028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199357, 398714, 797428, 996785, 1594856, 1993570, 3189712, 3987140, 7974280, 15948560]

約数ペア:

[(1, 15948560), (2, 7974280), (4, 3987140), (5, 3189712), (8, 1993570), (10, 1594856), (16, 996785), (20, 797428), (40, 398714), (80, 199357)]