81095740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1747}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 186770304

約数和(自身を除く): 105674564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 1747, 2110, 2321, 3494, 4220, 4642, 6988, 8735, 9284, 11605, 17470, 19217, 23210, 34940, 38434, 46420, 76868, 96085, 192170, 368617, 384340, 737234, 1474468, 1843085, 3686170, 4054787, 7372340, 8109574, 16219148, 20273935, 40547870, 81095740]

約数ペア:

[(1, 81095740), (2, 40547870), (4, 20273935), (5, 16219148), (10, 8109574), (11, 7372340), (20, 4054787), (22, 3686170), (44, 1843085), (55, 1474468), (110, 737234), (211, 384340), (220, 368617), (422, 192170), (844, 96085), (1055, 76868), (1747, 46420), (2110, 38434), (2321, 34940), (3494, 23210), (4220, 19217), (4642, 17470), (6988, 11605), (8735, 9284)]