40539720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 96

約数和(自身を含む): 131760000

約数和(自身を除く): 91220280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 1999, 2028, 2535, 3380, 3998, 4056, 5070, 5997, 6760, 7996, 9995, 10140, 11994, 15992, 19990, 20280, 23988, 25987, 29985, 39980, 47976, 51974, 59970, 77961, 79960, 103948, 119940, 129935, 155922, 207896, 239880, 259870, 311844, 337831, 389805, 519740, 623688, 675662, 779610, 1013493, 1039480, 1351324, 1559220, 1689155, 2026986, 2702648, 3118440, 3378310, 4053972, 5067465, 6756620, 8107944, 10134930, 13513240, 20269860, 40539720]

約数ペア:

[(1, 40539720), (2, 20269860), (3, 13513240), (4, 10134930), (5, 8107944), (6, 6756620), (8, 5067465), (10, 4053972), (12, 3378310), (13, 3118440), (15, 2702648), (20, 2026986), (24, 1689155), (26, 1559220), (30, 1351324), (39, 1039480), (40, 1013493), (52, 779610), (60, 675662), (65, 623688), (78, 519740), (104, 389805), (120, 337831), (130, 311844), (156, 259870), (169, 239880), (195, 207896), (260, 155922), (312, 129935), (338, 119940), (390, 103948), (507, 79960), (520, 77961), (676, 59970), (780, 51974), (845, 47976), (1014, 39980), (1352, 29985), (1560, 25987), (1690, 23988), (1999, 20280), (2028, 19990), (2535, 15992), (3380, 11994), (3998, 10140), (4056, 9995), (5070, 7996), (5997, 6760)]