807942820

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{100741}}^1$

素因数の和:101151

約数の個数: 24

約数和(自身を含む): 1700927928

約数和(自身を除く): 892985108

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 100741, 201482, 402964, 503705, 1007410, 2014820, 40397141, 80794282, 161588564, 201985705, 403971410, 807942820]

約数ペア:

[(1, 807942820), (2, 403971410), (4, 201985705), (5, 161588564), (10, 80794282), (20, 40397141), (401, 2014820), (802, 1007410), (1604, 503705), (2005, 402964), (4010, 201482), (8020, 100741)]