89420890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{8707}}^1$

素因数の和:8806

約数の個数: 32

約数和(自身を含む): 175553280

約数和(自身を除く): 86132390

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 8707, 10270, 17414, 43535, 87070, 113191, 226382, 565955, 687853, 1131910, 1375706, 3439265, 6878530, 8942089, 17884178, 44710445, 89420890]

約数ペア:

[(1, 89420890), (2, 44710445), (5, 17884178), (10, 8942089), (13, 6878530), (26, 3439265), (65, 1375706), (79, 1131910), (130, 687853), (158, 565955), (395, 226382), (790, 113191), (1027, 87070), (2054, 43535), (5135, 17414), (8707, 10270)]