15697217680

素因数分解:

$2^4\times 5^1\times {\mathrm{196215221}}^1$

素因数の和:196215234

約数の個数: 20

約数和(自身を含む): 36496031292

約数和(自身を除く): 20798813612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196215221, 392430442, 784860884, 981076105, 1569721768, 1962152210, 3139443536, 3924304420, 7848608840, 15697217680]

約数ペア:

[(1, 15697217680), (2, 7848608840), (4, 3924304420), (5, 3139443536), (8, 1962152210), (10, 1569721768), (16, 981076105), (20, 784860884), (40, 392430442), (80, 196215221)]