27629680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 71495424

約数和(自身を除く): 43865744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 857, 1040, 1240, 1612, 1714, 2015, 2480, 3224, 3428, 4030, 4285, 6448, 6856, 8060, 8570, 11141, 13712, 16120, 17140, 22282, 26567, 32240, 34280, 44564, 53134, 55705, 68560, 89128, 106268, 111410, 132835, 178256, 212536, 222820, 265670, 345371, 425072, 445640, 531340, 690742, 891280, 1062680, 1381484, 1726855, 2125360, 2762968, 3453710, 5525936, 6907420, 13814840, 27629680]

約数ペア:

[(1, 27629680), (2, 13814840), (4, 6907420), (5, 5525936), (8, 3453710), (10, 2762968), (13, 2125360), (16, 1726855), (20, 1381484), (26, 1062680), (31, 891280), (40, 690742), (52, 531340), (62, 445640), (65, 425072), (80, 345371), (104, 265670), (124, 222820), (130, 212536), (155, 178256), (208, 132835), (248, 111410), (260, 106268), (310, 89128), (403, 68560), (496, 55705), (520, 53134), (620, 44564), (806, 34280), (857, 32240), (1040, 26567), (1240, 22282), (1612, 17140), (1714, 16120), (2015, 13712), (2480, 11141), (3224, 8570), (3428, 8060), (4030, 6856), (4285, 6448)]