8481290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 15966720

約数和(自身を除く): 7485430

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 251, 310, 502, 545, 1090, 1255, 2510, 3379, 6758, 7781, 15562, 16895, 27359, 33790, 38905, 54718, 77810, 136795, 273590, 848129, 1696258, 4240645, 8481290]

約数ペア:

[(1, 8481290), (2, 4240645), (5, 1696258), (10, 848129), (31, 273590), (62, 136795), (109, 77810), (155, 54718), (218, 38905), (251, 33790), (310, 27359), (502, 16895), (545, 15562), (1090, 7781), (1255, 6758), (2510, 3379)]