40326680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7253}}^1$

素因数の和:7403

約数の個数: 32

約数和(自身を含む): 91400400

約数和(自身を除く): 51073720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7253, 14506, 29012, 36265, 58024, 72530, 145060, 290120, 1008167, 2016334, 4032668, 5040835, 8065336, 10081670, 20163340, 40326680]

約数ペア:

[(1, 40326680), (2, 20163340), (4, 10081670), (5, 8065336), (8, 5040835), (10, 4032668), (20, 2016334), (40, 1008167), (139, 290120), (278, 145060), (556, 72530), (695, 58024), (1112, 36265), (1390, 29012), (2780, 14506), (5560, 7253)]