40613020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2087}}^1$

素因数の和:2242

約数の個数: 48

約数和(自身を含む): 98219520

約数和(自身を除く): 57606500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2087, 2780, 3892, 4174, 4865, 8348, 9730, 10435, 14609, 19460, 20870, 29218, 41740, 58436, 73045, 146090, 290093, 292180, 580186, 1160372, 1450465, 2030651, 2900930, 4061302, 5801860, 8122604, 10153255, 20306510, 40613020]

約数ペア:

[(1, 40613020), (2, 20306510), (4, 10153255), (5, 8122604), (7, 5801860), (10, 4061302), (14, 2900930), (20, 2030651), (28, 1450465), (35, 1160372), (70, 580186), (139, 292180), (140, 290093), (278, 146090), (556, 73045), (695, 58436), (973, 41740), (1390, 29218), (1946, 20870), (2087, 19460), (2780, 14609), (3892, 10435), (4174, 9730), (4865, 8348)]