22905220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2381}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 53223408

約数和(自身を除く): 30318188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2381, 2405, 4762, 4810, 9524, 9620, 11905, 23810, 30953, 47620, 61906, 88097, 123812, 154765, 176194, 309530, 352388, 440485, 619060, 880970, 1145261, 1761940, 2290522, 4581044, 5726305, 11452610, 22905220]

約数ペア:

[(1, 22905220), (2, 11452610), (4, 5726305), (5, 4581044), (10, 2290522), (13, 1761940), (20, 1145261), (26, 880970), (37, 619060), (52, 440485), (65, 352388), (74, 309530), (130, 176194), (148, 154765), (185, 123812), (260, 88097), (370, 61906), (481, 47620), (740, 30953), (962, 23810), (1924, 11905), (2381, 9620), (2405, 9524), (4762, 4810)]