125480920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{7823}}^1$

素因数の和:8235

約数の個数: 32

約数和(自身を含む): 283072320

約数和(自身を除く): 157591400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 7823, 8020, 15646, 16040, 31292, 39115, 62584, 78230, 156460, 312920, 3137023, 6274046, 12548092, 15685115, 25096184, 31370230, 62740460, 125480920]

約数ペア:

[(1, 125480920), (2, 62740460), (4, 31370230), (5, 25096184), (8, 15685115), (10, 12548092), (20, 6274046), (40, 3137023), (401, 312920), (802, 156460), (1604, 78230), (2005, 62584), (3208, 39115), (4010, 31292), (7823, 16040), (8020, 15646)]