15739120

素因数分解:

$2^4\times 5^1\times {\mathrm{196739}}^1$

素因数の和:196752

約数の個数: 20

約数和(自身を含む): 36593640

約数和(自身を除く): 20854520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196739, 393478, 786956, 983695, 1573912, 1967390, 3147824, 3934780, 7869560, 15739120]

約数ペア:

[(1, 15739120), (2, 7869560), (4, 3934780), (5, 3147824), (8, 1967390), (10, 1573912), (16, 983695), (20, 786956), (40, 393478), (80, 196739)]