826254920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 1885464000

約数和(自身を除く): 1059209080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 173, 278, 346, 556, 692, 695, 859, 865, 1112, 1384, 1390, 1718, 1730, 2780, 3436, 3460, 4295, 5560, 6872, 6920, 8590, 17180, 24047, 34360, 48094, 96188, 119401, 120235, 148607, 192376, 238802, 240470, 297214, 477604, 480940, 594428, 597005, 743035, 955208, 961880, 1188856, 1194010, 1486070, 2388020, 2972140, 4776040, 5944280, 20656373, 41312746, 82625492, 103281865, 165250984, 206563730, 413127460, 826254920]

約数ペア:

[(1, 826254920), (2, 413127460), (4, 206563730), (5, 165250984), (8, 103281865), (10, 82625492), (20, 41312746), (40, 20656373), (139, 5944280), (173, 4776040), (278, 2972140), (346, 2388020), (556, 1486070), (692, 1194010), (695, 1188856), (859, 961880), (865, 955208), (1112, 743035), (1384, 597005), (1390, 594428), (1718, 480940), (1730, 477604), (2780, 297214), (3436, 240470), (3460, 238802), (4295, 192376), (5560, 148607), (6872, 120235), (6920, 119401), (8590, 96188), (17180, 48094), (24047, 34360)]