8867890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 16765056

約数和(自身を除く): 7897166

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 503, 1006, 1763, 2515, 3526, 5030, 8815, 17630, 20623, 21629, 41246, 43258, 103115, 108145, 206230, 216290, 886789, 1773578, 4433945, 8867890]

約数ペア:

[(1, 8867890), (2, 4433945), (5, 1773578), (10, 886789), (41, 216290), (43, 206230), (82, 108145), (86, 103115), (205, 43258), (215, 41246), (410, 21629), (430, 20623), (503, 17630), (1006, 8815), (1763, 5030), (2515, 3526)]