129291320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{87359}}^1$

素因数の和:87407

約数の個数: 32

約数和(自身を含む): 298771200

約数和(自身を除く): 169479880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 87359, 174718, 349436, 436795, 698872, 873590, 1747180, 3232283, 3494360, 6464566, 12929132, 16161415, 25858264, 32322830, 64645660, 129291320]

約数ペア:

[(1, 129291320), (2, 64645660), (4, 32322830), (5, 25858264), (8, 16161415), (10, 12929132), (20, 6464566), (37, 3494360), (40, 3232283), (74, 1747180), (148, 873590), (185, 698872), (296, 436795), (370, 349436), (740, 174718), (1480, 87359)]