25353380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{577}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 57776880

約数和(自身を除く): 32423500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 577, 676, 845, 1154, 1690, 2197, 2308, 2885, 3380, 4394, 5770, 7501, 8788, 10985, 11540, 15002, 21970, 30004, 37505, 43940, 75010, 97513, 150020, 195026, 390052, 487565, 975130, 1267669, 1950260, 2535338, 5070676, 6338345, 12676690, 25353380]

約数ペア:

[(1, 25353380), (2, 12676690), (4, 6338345), (5, 5070676), (10, 2535338), (13, 1950260), (20, 1267669), (26, 975130), (52, 487565), (65, 390052), (130, 195026), (169, 150020), (260, 97513), (338, 75010), (577, 43940), (676, 37505), (845, 30004), (1154, 21970), (1690, 15002), (2197, 11540), (2308, 10985), (2885, 8788), (3380, 7501), (4394, 5770)]