40778840272

素因数分解:

$2^4\times {\mathrm{2801}}^1\times {\mathrm{909917}}^1$

素因数の和:912726

約数の個数: 20

約数和(自身を含む): 79037297316

約数和(自身を除く): 38258457044

約数列:

[1, 2, 4, 8, 16, 2801, 5602, 11204, 22408, 44816, 909917, 1819834, 3639668, 7279336, 14558672, 2548677517, 5097355034, 10194710068, 20389420136, 40778840272]

約数ペア:

[(1, 40778840272), (2, 20389420136), (4, 10194710068), (8, 5097355034), (16, 2548677517), (2801, 14558672), (5602, 7279336), (11204, 3639668), (22408, 1819834), (44816, 909917)]