15684080

素因数分解:

$2^4\times 5^1\times {\mathrm{196051}}^1$

素因数の和:196064

約数の個数: 20

約数和(自身を含む): 36465672

約数和(自身を除く): 20781592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196051, 392102, 784204, 980255, 1568408, 1960510, 3136816, 3921020, 7842040, 15684080]

約数ペア:

[(1, 15684080), (2, 7842040), (4, 3921020), (5, 3136816), (8, 1960510), (10, 1568408), (16, 980255), (20, 784204), (40, 392102), (80, 196051)]