156938576020

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{19568401}}^1$

素因数の和:19568811

約数の個数: 24

約数和(自身を含む): 330392899368

約数和(自身を除く): 173454323348

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 19568401, 39136802, 78273604, 97842005, 195684010, 391368020, 7846928801, 15693857602, 31387715204, 39234644005, 78469288010, 156938576020]

約数ペア:

[(1, 156938576020), (2, 78469288010), (4, 39234644005), (5, 31387715204), (10, 15693857602), (20, 7846928801), (401, 391368020), (802, 195684010), (1604, 97842005), (2005, 78273604), (4010, 39136802), (8020, 19568401)]