315068560

素因数分解:

$2^4\times 5^1\times {\mathrm{3938357}}^1$

素因数の和:3938370

約数の個数: 20

約数和(自身を含む): 732534588

約数和(自身を除く): 417466028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3938357, 7876714, 15753428, 19691785, 31506856, 39383570, 63013712, 78767140, 157534280, 315068560]

約数ペア:

[(1, 315068560), (2, 157534280), (4, 78767140), (5, 63013712), (8, 39383570), (10, 31506856), (16, 19691785), (20, 15753428), (40, 7876714), (80, 3938357)]