8231420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4243}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 17468304

約数和(自身を除く): 9236884

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 4243, 8486, 16972, 21215, 42430, 84860, 411571, 823142, 1646284, 2057855, 4115710, 8231420]

約数ペア:

[(1, 8231420), (2, 4115710), (4, 2057855), (5, 1646284), (10, 823142), (20, 411571), (97, 84860), (194, 42430), (388, 21215), (485, 16972), (970, 8486), (1940, 4243)]