198130720

素因数分解:

$2^5\times 5^1\times {\mathrm{1238317}}^1$

素因数の和:1238332

約数の個数: 24

約数和(自身を含む): 468084204

約数和(自身を除く): 269953484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1238317, 2476634, 4953268, 6191585, 9906536, 12383170, 19813072, 24766340, 39626144, 49532680, 99065360, 198130720]

約数ペア:

[(1, 198130720), (2, 99065360), (4, 49532680), (5, 39626144), (8, 24766340), (10, 19813072), (16, 12383170), (20, 9906536), (32, 6191585), (40, 4953268), (80, 2476634), (160, 1238317)]