2016327620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{3547}}^1$

素因数の和:4260

約数の個数: 48

約数和(自身を含む): 4340538048

約数和(自身を除く): 2324210428

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 661, 860, 1322, 2644, 3305, 3547, 6610, 7094, 13220, 14188, 17735, 28423, 35470, 56846, 70940, 113692, 142115, 152521, 284230, 305042, 568460, 610084, 762605, 1525210, 2344567, 3050420, 4689134, 9378268, 11722835, 23445670, 46891340, 100816381, 201632762, 403265524, 504081905, 1008163810, 2016327620]

約数ペア:

[(1, 2016327620), (2, 1008163810), (4, 504081905), (5, 403265524), (10, 201632762), (20, 100816381), (43, 46891340), (86, 23445670), (172, 11722835), (215, 9378268), (430, 4689134), (661, 3050420), (860, 2344567), (1322, 1525210), (2644, 762605), (3305, 610084), (3547, 568460), (6610, 305042), (7094, 284230), (13220, 152521), (14188, 142115), (17735, 113692), (28423, 70940), (35470, 56846)]