30959120

素因数分解:

$2^4\times 5^1\times {\mathrm{386989}}^1$

素因数の和:387002

約数の個数: 20

約数和(自身を含む): 71980140

約数和(自身を除く): 41021020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386989, 773978, 1547956, 1934945, 3095912, 3869890, 6191824, 7739780, 15479560, 30959120]

約数ペア:

[(1, 30959120), (2, 15479560), (4, 7739780), (5, 6191824), (8, 3869890), (10, 3095912), (16, 1934945), (20, 1547956), (40, 773978), (80, 386989)]