68888965160

素因数分解:

$2^3\times 5^1\times {\mathrm{40841}}^1\times {\mathrm{42169}}^1$

素因数の和:83021

約数の個数: 32

約数和(自身を含む): 155007642600

約数和(自身を除く): 86118677440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40841, 42169, 81682, 84338, 163364, 168676, 204205, 210845, 326728, 337352, 408410, 421690, 816820, 843380, 1633640, 1686760, 1722224129, 3444448258, 6888896516, 8611120645, 13777793032, 17222241290, 34444482580, 68888965160]

約数ペア:

[(1, 68888965160), (2, 34444482580), (4, 17222241290), (5, 13777793032), (8, 8611120645), (10, 6888896516), (20, 3444448258), (40, 1722224129), (40841, 1686760), (42169, 1633640), (81682, 843380), (84338, 816820), (163364, 421690), (168676, 408410), (204205, 337352), (210845, 326728)]