16602640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 24109040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 71, 74, 79, 80, 142, 148, 158, 185, 284, 296, 316, 355, 370, 395, 568, 592, 632, 710, 740, 790, 1136, 1264, 1420, 1480, 1580, 2627, 2840, 2923, 2960, 3160, 5254, 5609, 5680, 5846, 6320, 10508, 11218, 11692, 13135, 14615, 21016, 22436, 23384, 26270, 28045, 29230, 42032, 44872, 46768, 52540, 56090, 58460, 89744, 105080, 112180, 116920, 207533, 210160, 224360, 233840, 415066, 448720, 830132, 1037665, 1660264, 2075330, 3320528, 4150660, 8301320, 16602640]

約数ペア:

[(1, 16602640), (2, 8301320), (4, 4150660), (5, 3320528), (8, 2075330), (10, 1660264), (16, 1037665), (20, 830132), (37, 448720), (40, 415066), (71, 233840), (74, 224360), (79, 210160), (80, 207533), (142, 116920), (148, 112180), (158, 105080), (185, 89744), (284, 58460), (296, 56090), (316, 52540), (355, 46768), (370, 44872), (395, 42032), (568, 29230), (592, 28045), (632, 26270), (710, 23384), (740, 22436), (790, 21016), (1136, 14615), (1264, 13135), (1420, 11692), (1480, 11218), (1580, 10508), (2627, 6320), (2840, 5846), (2923, 5680), (2960, 5609), (3160, 5254)]