11911120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{881}}^1$

素因数の和:920

約数の個数: 60

約数和(自身を含む): 30021516

約数和(自身を除く): 18110396

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 881, 1040, 1352, 1690, 1762, 2704, 3380, 3524, 4405, 6760, 7048, 8810, 11453, 13520, 14096, 17620, 22906, 35240, 45812, 57265, 70480, 91624, 114530, 148889, 183248, 229060, 297778, 458120, 595556, 744445, 916240, 1191112, 1488890, 2382224, 2977780, 5955560, 11911120]

約数ペア:

[(1, 11911120), (2, 5955560), (4, 2977780), (5, 2382224), (8, 1488890), (10, 1191112), (13, 916240), (16, 744445), (20, 595556), (26, 458120), (40, 297778), (52, 229060), (65, 183248), (80, 148889), (104, 114530), (130, 91624), (169, 70480), (208, 57265), (260, 45812), (338, 35240), (520, 22906), (676, 17620), (845, 14096), (881, 13520), (1040, 11453), (1352, 8810), (1690, 7048), (1762, 6760), (2704, 4405), (3380, 3524)]