25346620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7499}}^1$

素因数の和:7534

約数の個数: 36

約数和(自身を含む): 57645000

約数和(自身を除く): 32298380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7499, 14998, 29996, 37495, 74990, 97487, 149980, 194974, 389948, 487435, 974870, 1267331, 1949740, 2534662, 5069324, 6336655, 12673310, 25346620]

約数ペア:

[(1, 25346620), (2, 12673310), (4, 6336655), (5, 5069324), (10, 2534662), (13, 1949740), (20, 1267331), (26, 974870), (52, 487435), (65, 389948), (130, 194974), (169, 149980), (260, 97487), (338, 74990), (676, 37495), (845, 29996), (1690, 14998), (3380, 7499)]