2040221480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1123}}^1\times {\mathrm{4129}}^1$

素因数の和:5274

約数の個数: 64

約数和(自身を含む): 5013489600

約数和(自身を除く): 2973268120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1123, 2246, 4129, 4492, 5615, 8258, 8984, 11230, 12353, 16516, 20645, 22460, 24706, 33032, 41290, 44920, 45419, 49412, 61765, 82580, 90838, 98824, 123530, 165160, 181676, 227095, 247060, 363352, 454190, 494120, 908380, 1816760, 4636867, 9273734, 18547468, 23184335, 37094936, 46368670, 51005537, 92737340, 102011074, 185474680, 204022148, 255027685, 408044296, 510055370, 1020110740, 2040221480]

約数ペア:

[(1, 2040221480), (2, 1020110740), (4, 510055370), (5, 408044296), (8, 255027685), (10, 204022148), (11, 185474680), (20, 102011074), (22, 92737340), (40, 51005537), (44, 46368670), (55, 37094936), (88, 23184335), (110, 18547468), (220, 9273734), (440, 4636867), (1123, 1816760), (2246, 908380), (4129, 494120), (4492, 454190), (5615, 363352), (8258, 247060), (8984, 227095), (11230, 181676), (12353, 165160), (16516, 123530), (20645, 98824), (22460, 90838), (24706, 82580), (33032, 61765), (41290, 49412), (44920, 45419)]