66139840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1223}}^1$

素因数の和:1266

約数の個数: 84

約数和(自身を含む): 170681904

約数和(自身を除く): 104542064

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, 520, 676, 832, 845, 1040, 1223, 1352, 1690, 2080, 2446, 2704, 3380, 4160, 4892, 5408, 6115, 6760, 9784, 10816, 12230, 13520, 15899, 19568, 24460, 27040, 31798, 39136, 48920, 54080, 63596, 78272, 79495, 97840, 127192, 158990, 195680, 206687, 254384, 317980, 391360, 413374, 508768, 635960, 826748, 1017536, 1033435, 1271920, 1653496, 2066870, 2543840, 3306992, 4133740, 5087680, 6613984, 8267480, 13227968, 16534960, 33069920, 66139840]

約数ペア:

[(1, 66139840), (2, 33069920), (4, 16534960), (5, 13227968), (8, 8267480), (10, 6613984), (13, 5087680), (16, 4133740), (20, 3306992), (26, 2543840), (32, 2066870), (40, 1653496), (52, 1271920), (64, 1033435), (65, 1017536), (80, 826748), (104, 635960), (130, 508768), (160, 413374), (169, 391360), (208, 317980), (260, 254384), (320, 206687), (338, 195680), (416, 158990), (520, 127192), (676, 97840), (832, 79495), (845, 78272), (1040, 63596), (1223, 54080), (1352, 48920), (1690, 39136), (2080, 31798), (2446, 27040), (2704, 24460), (3380, 19568), (4160, 15899), (4892, 13520), (5408, 12230), (6115, 10816), (6760, 9784)]