15697916720

素因数分解:

$2^4\times 5^1\times {\mathrm{196223959}}^1$

素因数の和:196223972

約数の個数: 20

約数和(自身を含む): 36497656560

約数和(自身を除く): 20799739840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196223959, 392447918, 784895836, 981119795, 1569791672, 1962239590, 3139583344, 3924479180, 7848958360, 15697916720]

約数ペア:

[(1, 15697916720), (2, 7848958360), (4, 3924479180), (5, 3139583344), (8, 1962239590), (10, 1569791672), (16, 981119795), (20, 784895836), (40, 392447918), (80, 196223959)]