8365240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16087}}^1$

素因数の和:16111

約数の個数: 32

約数和(自身を含む): 20270880

約数和(自身を除く): 11905640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16087, 32174, 64348, 80435, 128696, 160870, 209131, 321740, 418262, 643480, 836524, 1045655, 1673048, 2091310, 4182620, 8365240]

約数ペア:

[(1, 8365240), (2, 4182620), (4, 2091310), (5, 1673048), (8, 1045655), (10, 836524), (13, 643480), (20, 418262), (26, 321740), (40, 209131), (52, 160870), (65, 128696), (104, 80435), (130, 64348), (260, 32174), (520, 16087)]