31198240

素因数分解:

$2^5\times 5^1\times {\mathrm{194989}}^1$

素因数の和:195004

約数の個数: 24

約数和(自身を含む): 73706220

約数和(自身を除く): 42507980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 194989, 389978, 779956, 974945, 1559912, 1949890, 3119824, 3899780, 6239648, 7799560, 15599120, 31198240]

約数ペア:

[(1, 31198240), (2, 15599120), (4, 7799560), (5, 6239648), (8, 3899780), (10, 3119824), (16, 1949890), (20, 1559912), (32, 974945), (40, 779956), (80, 389978), (160, 194989)]