168232940

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{13001}}^1$

素因数の和:13657

約数の個数: 24

約数和(自身を含む): 353862432

約数和(自身を除く): 185629492

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 13001, 26002, 52004, 65005, 130010, 260020, 8411647, 16823294, 33646588, 42058235, 84116470, 168232940]

約数ペア:

[(1, 168232940), (2, 84116470), (4, 42058235), (5, 33646588), (10, 16823294), (20, 8411647), (647, 260020), (1294, 130010), (2588, 65005), (3235, 52004), (6470, 26002), (12940, 13001)]