31713040

素因数分解:

$2^4\times 5^1\times {\mathrm{396413}}^1$

素因数の和:396426

約数の個数: 20

約数和(自身を含む): 73733004

約数和(自身を除く): 42019964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 396413, 792826, 1585652, 1982065, 3171304, 3964130, 6342608, 7928260, 15856520, 31713040]

約数ペア:

[(1, 31713040), (2, 15856520), (4, 7928260), (5, 6342608), (8, 3964130), (10, 3171304), (16, 1982065), (20, 1585652), (40, 792826), (80, 396413)]