2480920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{367}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 6060960

約数和(自身を除く): 3580040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 367, 520, 676, 734, 845, 1352, 1468, 1690, 1835, 2936, 3380, 3670, 4771, 6760, 7340, 9542, 14680, 19084, 23855, 38168, 47710, 62023, 95420, 124046, 190840, 248092, 310115, 496184, 620230, 1240460, 2480920]

約数ペア:

[(1, 2480920), (2, 1240460), (4, 620230), (5, 496184), (8, 310115), (10, 248092), (13, 190840), (20, 124046), (26, 95420), (40, 62023), (52, 47710), (65, 38168), (104, 23855), (130, 19084), (169, 14680), (260, 9542), (338, 7340), (367, 6760), (520, 4771), (676, 3670), (734, 3380), (845, 2936), (1352, 1835), (1468, 1690)]