47279440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 80

約数和(自身を含む): 119523600

約数和(自身を除く): 72244160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 269, 338, 520, 538, 676, 845, 1040, 1076, 1345, 1352, 1690, 2152, 2197, 2690, 2704, 3380, 3497, 4304, 4394, 5380, 6760, 6994, 8788, 10760, 10985, 13520, 13988, 17485, 17576, 21520, 21970, 27976, 34970, 35152, 43940, 45461, 55952, 69940, 87880, 90922, 139880, 175760, 181844, 227305, 279760, 363688, 454610, 590993, 727376, 909220, 1181986, 1818440, 2363972, 2954965, 3636880, 4727944, 5909930, 9455888, 11819860, 23639720, 47279440]

約数ペア:

[(1, 47279440), (2, 23639720), (4, 11819860), (5, 9455888), (8, 5909930), (10, 4727944), (13, 3636880), (16, 2954965), (20, 2363972), (26, 1818440), (40, 1181986), (52, 909220), (65, 727376), (80, 590993), (104, 454610), (130, 363688), (169, 279760), (208, 227305), (260, 181844), (269, 175760), (338, 139880), (520, 90922), (538, 87880), (676, 69940), (845, 55952), (1040, 45461), (1076, 43940), (1345, 35152), (1352, 34970), (1690, 27976), (2152, 21970), (2197, 21520), (2690, 17576), (2704, 17485), (3380, 13988), (3497, 13520), (4304, 10985), (4394, 10760), (5380, 8788), (6760, 6994)]