65288020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2861}}^1$

素因数の和:3040

約数の個数: 48

約数和(自身を含む): 157707648

約数和(自身を除く): 92419628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 2861, 3260, 4564, 5705, 5722, 11410, 11444, 14305, 20027, 22820, 28610, 40054, 57220, 80108, 100135, 200270, 400540, 466343, 932686, 1865372, 2331715, 3264401, 4663430, 6528802, 9326860, 13057604, 16322005, 32644010, 65288020]

約数ペア:

[(1, 65288020), (2, 32644010), (4, 16322005), (5, 13057604), (7, 9326860), (10, 6528802), (14, 4663430), (20, 3264401), (28, 2331715), (35, 1865372), (70, 932686), (140, 466343), (163, 400540), (326, 200270), (652, 100135), (815, 80108), (1141, 57220), (1630, 40054), (2282, 28610), (2861, 22820), (3260, 20027), (4564, 14305), (5705, 11444), (5722, 11410)]