87120490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2063}}^1$

素因数の和:2214

約数の個数: 32

約数和(自身を含む): 162279936

約数和(自身を除く): 75159446

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 515, 1030, 2063, 4126, 4223, 8446, 10315, 20630, 21115, 42230, 84583, 169166, 212489, 422915, 424978, 845830, 1062445, 2124890, 8712049, 17424098, 43560245, 87120490]

約数ペア:

[(1, 87120490), (2, 43560245), (5, 17424098), (10, 8712049), (41, 2124890), (82, 1062445), (103, 845830), (205, 424978), (206, 422915), (410, 212489), (515, 169166), (1030, 84583), (2063, 42230), (4126, 21115), (4223, 20630), (8446, 10315)]