2019901040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{23531}}^1$

素因数の和:23610

約数の個数: 80

約数和(自身を含む): 4989725280

約数和(自身を除く): 2969824240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 1073, 1160, 1480, 2146, 2320, 2960, 4292, 5365, 8584, 10730, 17168, 21460, 23531, 42920, 47062, 85840, 94124, 117655, 188248, 235310, 376496, 470620, 682399, 870647, 941240, 1364798, 1741294, 1882480, 2729596, 3411995, 3482588, 4353235, 5459192, 6823990, 6965176, 8706470, 10918384, 13647980, 13930352, 17412940, 25248763, 27295960, 34825880, 50497526, 54591920, 69651760, 100995052, 126243815, 201990104, 252487630, 403980208, 504975260, 1009950520, 2019901040]

約数ペア:

[(1, 2019901040), (2, 1009950520), (4, 504975260), (5, 403980208), (8, 252487630), (10, 201990104), (16, 126243815), (20, 100995052), (29, 69651760), (37, 54591920), (40, 50497526), (58, 34825880), (74, 27295960), (80, 25248763), (116, 17412940), (145, 13930352), (148, 13647980), (185, 10918384), (232, 8706470), (290, 6965176), (296, 6823990), (370, 5459192), (464, 4353235), (580, 3482588), (592, 3411995), (740, 2729596), (1073, 1882480), (1160, 1741294), (1480, 1364798), (2146, 941240), (2320, 870647), (2960, 682399), (4292, 470620), (5365, 376496), (8584, 235310), (10730, 188248), (17168, 117655), (21460, 94124), (23531, 85840), (42920, 47062)]