90433820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145861}}^1$

素因数の和:145901

約数の個数: 24

約数和(自身を含む): 196038528

約数和(自身を除く): 105604708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 145861, 291722, 583444, 729305, 1458610, 2917220, 4521691, 9043382, 18086764, 22608455, 45216910, 90433820]

約数ペア:

[(1, 90433820), (2, 45216910), (4, 22608455), (5, 18086764), (10, 9043382), (20, 4521691), (31, 2917220), (62, 1458610), (124, 729305), (155, 583444), (310, 291722), (620, 145861)]