26985920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{499}}^1$

素因数の和:542

約数の個数: 84

約数和(自身を含む): 69723000

約数和(自身を除く): 42737080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 499, 520, 676, 832, 845, 998, 1040, 1352, 1690, 1996, 2080, 2495, 2704, 3380, 3992, 4160, 4990, 5408, 6487, 6760, 7984, 9980, 10816, 12974, 13520, 15968, 19960, 25948, 27040, 31936, 32435, 39920, 51896, 54080, 64870, 79840, 84331, 103792, 129740, 159680, 168662, 207584, 259480, 337324, 415168, 421655, 518960, 674648, 843310, 1037920, 1349296, 1686620, 2075840, 2698592, 3373240, 5397184, 6746480, 13492960, 26985920]

約数ペア:

[(1, 26985920), (2, 13492960), (4, 6746480), (5, 5397184), (8, 3373240), (10, 2698592), (13, 2075840), (16, 1686620), (20, 1349296), (26, 1037920), (32, 843310), (40, 674648), (52, 518960), (64, 421655), (65, 415168), (80, 337324), (104, 259480), (130, 207584), (160, 168662), (169, 159680), (208, 129740), (260, 103792), (320, 84331), (338, 79840), (416, 64870), (499, 54080), (520, 51896), (676, 39920), (832, 32435), (845, 31936), (998, 27040), (1040, 25948), (1352, 19960), (1690, 15968), (1996, 13520), (2080, 12974), (2495, 10816), (2704, 9980), (3380, 7984), (3992, 6760), (4160, 6487), (4990, 5408)]