266395040

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40609}}^1$

素因数の和:40665

約数の個数: 48

約数和(自身を含む): 644724360

約数和(自身を除く): 378329320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 40609, 81218, 162436, 203045, 324872, 406090, 649744, 812180, 1299488, 1624360, 1664969, 3248720, 3329938, 6497440, 6659876, 8324845, 13319752, 16649690, 26639504, 33299380, 53279008, 66598760, 133197520, 266395040]

約数ペア:

[(1, 266395040), (2, 133197520), (4, 66598760), (5, 53279008), (8, 33299380), (10, 26639504), (16, 16649690), (20, 13319752), (32, 8324845), (40, 6659876), (41, 6497440), (80, 3329938), (82, 3248720), (160, 1664969), (164, 1624360), (205, 1299488), (328, 812180), (410, 649744), (656, 406090), (820, 324872), (1312, 203045), (1640, 162436), (3280, 81218), (6560, 40609)]