8301320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 19699200

約数和(自身を除く): 11397880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 79, 142, 148, 158, 185, 284, 296, 316, 355, 370, 395, 568, 632, 710, 740, 790, 1420, 1480, 1580, 2627, 2840, 2923, 3160, 5254, 5609, 5846, 10508, 11218, 11692, 13135, 14615, 21016, 22436, 23384, 26270, 28045, 29230, 44872, 52540, 56090, 58460, 105080, 112180, 116920, 207533, 224360, 415066, 830132, 1037665, 1660264, 2075330, 4150660, 8301320]

約数ペア:

[(1, 8301320), (2, 4150660), (4, 2075330), (5, 1660264), (8, 1037665), (10, 830132), (20, 415066), (37, 224360), (40, 207533), (71, 116920), (74, 112180), (79, 105080), (142, 58460), (148, 56090), (158, 52540), (185, 44872), (284, 29230), (296, 28045), (316, 26270), (355, 23384), (370, 22436), (395, 21016), (568, 14615), (632, 13135), (710, 11692), (740, 11218), (790, 10508), (1420, 5846), (1480, 5609), (1580, 5254), (2627, 3160), (2840, 2923)]