13257920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3217

約数の個数: 56

約数和(自身を含む): 34009584

約数和(自身を除く): 20751664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 3187, 4160, 6374, 12748, 15935, 25496, 31870, 41431, 50992, 63740, 82862, 101984, 127480, 165724, 203968, 207155, 254960, 331448, 414310, 509920, 662896, 828620, 1019840, 1325792, 1657240, 2651584, 3314480, 6628960, 13257920]

約数ペア:

[(1, 13257920), (2, 6628960), (4, 3314480), (5, 2651584), (8, 1657240), (10, 1325792), (13, 1019840), (16, 828620), (20, 662896), (26, 509920), (32, 414310), (40, 331448), (52, 254960), (64, 207155), (65, 203968), (80, 165724), (104, 127480), (130, 101984), (160, 82862), (208, 63740), (260, 50992), (320, 41431), (416, 31870), (520, 25496), (832, 15935), (1040, 12748), (2080, 6374), (3187, 4160)]