84398420

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{9791}}^1$

素因数の和:10231

約数の個数: 24

約数和(自身を含む): 177666048

約数和(自身を除く): 93267628

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 9791, 19582, 39164, 48955, 97910, 195820, 4219921, 8439842, 16879684, 21099605, 42199210, 84398420]

約数ペア:

[(1, 84398420), (2, 42199210), (4, 21099605), (5, 16879684), (10, 8439842), (20, 4219921), (431, 195820), (862, 97910), (1724, 48955), (2155, 39164), (4310, 19582), (8620, 9791)]