40496260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2081}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 97937280

約数和(自身を除く): 57441020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2081, 2780, 3892, 4162, 4865, 8324, 9730, 10405, 14567, 19460, 20810, 29134, 41620, 58268, 72835, 145670, 289259, 291340, 578518, 1157036, 1446295, 2024813, 2892590, 4049626, 5785180, 8099252, 10124065, 20248130, 40496260]

約数ペア:

[(1, 40496260), (2, 20248130), (4, 10124065), (5, 8099252), (7, 5785180), (10, 4049626), (14, 2892590), (20, 2024813), (28, 1446295), (35, 1157036), (70, 578518), (139, 291340), (140, 289259), (278, 145670), (556, 72835), (695, 58268), (973, 41620), (1390, 29134), (1946, 20810), (2081, 19460), (2780, 14567), (3892, 10405), (4162, 9730), (4865, 8324)]