31783640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113513}}^1$

素因数の和:113531

約数の個数: 32

約数和(自身を含む): 81730080

約数和(自身を除く): 49946440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 113513, 227026, 454052, 567565, 794591, 908104, 1135130, 1589182, 2270260, 3178364, 3972955, 4540520, 6356728, 7945910, 15891820, 31783640]

約数ペア:

[(1, 31783640), (2, 15891820), (4, 7945910), (5, 6356728), (7, 4540520), (8, 3972955), (10, 3178364), (14, 2270260), (20, 1589182), (28, 1135130), (35, 908104), (40, 794591), (56, 567565), (70, 454052), (140, 227026), (280, 113513)]