89910140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63317}}^1$

素因数の和:63397

約数の個数: 24

約数和(自身を含む): 191473632

約数和(自身を除く): 101563492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 63317, 126634, 253268, 316585, 633170, 1266340, 4495507, 8991014, 17982028, 22477535, 44955070, 89910140]

約数ペア:

[(1, 89910140), (2, 44955070), (4, 22477535), (5, 17982028), (10, 8991014), (20, 4495507), (71, 1266340), (142, 633170), (284, 316585), (355, 253268), (710, 126634), (1420, 63317)]