90116420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{54287}}^1$

素因数の和:54379

約数の個数: 24

約数和(自身を含む): 191528064

約数和(自身を除く): 101411644

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 54287, 108574, 217148, 271435, 542870, 1085740, 4505821, 9011642, 18023284, 22529105, 45058210, 90116420]

約数ペア:

[(1, 90116420), (2, 45058210), (4, 22529105), (5, 18023284), (10, 9011642), (20, 4505821), (83, 1085740), (166, 542870), (332, 271435), (415, 217148), (830, 108574), (1660, 54287)]