2080478510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{19681}}^1$

素因数の和:19761

約数の個数: 48

約数和(自身を含む): 4221552816

約数和(自身を除く): 2141074306

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 961, 1705, 1922, 3410, 4805, 9610, 10571, 19681, 21142, 39362, 52855, 98405, 105710, 196810, 216491, 432982, 610111, 1082455, 1220222, 2164910, 3050555, 6101110, 6711221, 13422442, 18913441, 33556105, 37826882, 67112210, 94567205, 189134410, 208047851, 416095702, 1040239255, 2080478510]

約数ペア:

[(1, 2080478510), (2, 1040239255), (5, 416095702), (10, 208047851), (11, 189134410), (22, 94567205), (31, 67112210), (55, 37826882), (62, 33556105), (110, 18913441), (155, 13422442), (310, 6711221), (341, 6101110), (682, 3050555), (961, 2164910), (1705, 1220222), (1922, 1082455), (3410, 610111), (4805, 432982), (9610, 216491), (10571, 196810), (19681, 105710), (21142, 98405), (39362, 52855)]