25303880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90371}}^1$

素因数の和:90389

約数の個数: 32

約数和(自身を含む): 65067840

約数和(自身を除く): 39763960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90371, 180742, 361484, 451855, 632597, 722968, 903710, 1265194, 1807420, 2530388, 3162985, 3614840, 5060776, 6325970, 12651940, 25303880]

約数ペア:

[(1, 25303880), (2, 12651940), (4, 6325970), (5, 5060776), (7, 3614840), (8, 3162985), (10, 2530388), (14, 1807420), (20, 1265194), (28, 903710), (35, 722968), (40, 632597), (56, 451855), (70, 361484), (140, 180742), (280, 90371)]