15693808120

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{612083}}^1$

素因数の和:612735

約数の個数: 32

約数和(自身を含む): 35366213520

約数和(自身を除く): 19672405400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 612083, 1224166, 2448332, 3060415, 4896664, 6120830, 12241660, 24483320, 392345203, 784690406, 1569380812, 1961726015, 3138761624, 3923452030, 7846904060, 15693808120]

約数ペア:

[(1, 15693808120), (2, 7846904060), (4, 3923452030), (5, 3138761624), (8, 1961726015), (10, 1569380812), (20, 784690406), (40, 392345203), (641, 24483320), (1282, 12241660), (2564, 6120830), (3205, 4896664), (5128, 3060415), (6410, 2448332), (12820, 1224166), (25640, 612083)]