84479720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12497}}^1$

素因数の和:12534

約数の個数: 48

約数和(自身を含む): 205842060

約数和(自身を除く): 121362340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 12497, 24994, 49988, 62485, 99976, 124970, 162461, 249940, 324922, 499880, 649844, 812305, 1299688, 1624610, 2111993, 3249220, 4223986, 6498440, 8447972, 10559965, 16895944, 21119930, 42239860, 84479720]

約数ペア:

[(1, 84479720), (2, 42239860), (4, 21119930), (5, 16895944), (8, 10559965), (10, 8447972), (13, 6498440), (20, 4223986), (26, 3249220), (40, 2111993), (52, 1624610), (65, 1299688), (104, 812305), (130, 649844), (169, 499880), (260, 324922), (338, 249940), (520, 162461), (676, 124970), (845, 99976), (1352, 62485), (1690, 49988), (3380, 24994), (6760, 12497)]