162962020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21613}}^1$

素因数の和:21664

約数の個数: 48

約数和(自身を含む): 381270960

約数和(自身を除く): 218308940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 21613, 43226, 86452, 108065, 216130, 280969, 432260, 561938, 626777, 1123876, 1253554, 1404845, 2507108, 2809690, 3133885, 5619380, 6267770, 8148101, 12535540, 16296202, 32592404, 40740505, 81481010, 162962020]

約数ペア:

[(1, 162962020), (2, 81481010), (4, 40740505), (5, 32592404), (10, 16296202), (13, 12535540), (20, 8148101), (26, 6267770), (29, 5619380), (52, 3133885), (58, 2809690), (65, 2507108), (116, 1404845), (130, 1253554), (145, 1123876), (260, 626777), (290, 561938), (377, 432260), (580, 280969), (754, 216130), (1508, 108065), (1885, 86452), (3770, 43226), (7540, 21613)]