15907120

素因数分解:

$2^4\times 5^1\times {\mathrm{198839}}^1$

素因数の和:198852

約数の個数: 20

約数和(自身を含む): 36984240

約数和(自身を除く): 21077120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198839, 397678, 795356, 994195, 1590712, 1988390, 3181424, 3976780, 7953560, 15907120]

約数ペア:

[(1, 15907120), (2, 7953560), (4, 3976780), (5, 3181424), (8, 1988390), (10, 1590712), (16, 994195), (20, 795356), (40, 397678), (80, 198839)]