15840815

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 19867680

約数和(自身を除く): 4026865

約数列:

[1, 5, 29, 107, 145, 535, 1021, 3103, 5105, 15515, 29609, 109247, 148045, 546235, 3168163, 15840815]

約数ペア:

[(1, 15840815), (5, 3168163), (29, 546235), (107, 148045), (145, 109247), (535, 29609), (1021, 15515), (3103, 5105)]