61631320

素因数分解:

$2^3\times 5^1\times {\mathrm{1540783}}^1$

素因数の和:1540794

約数の個数: 16

約数和(自身を含む): 138670560

約数和(自身を除く): 77039240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1540783, 3081566, 6163132, 7703915, 12326264, 15407830, 30815660, 61631320]

約数ペア:

[(1, 61631320), (2, 30815660), (4, 15407830), (5, 12326264), (8, 7703915), (10, 6163132), (20, 3081566), (40, 1540783)]