200066920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12473}}^1$

素因数の和:12885

約数の個数: 32

約数和(自身を含む): 451309320

約数和(自身を除く): 251242400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 12473, 16040, 24946, 49892, 62365, 99784, 124730, 249460, 498920, 5001673, 10003346, 20006692, 25008365, 40013384, 50016730, 100033460, 200066920]

約数ペア:

[(1, 200066920), (2, 100033460), (4, 50016730), (5, 40013384), (8, 25008365), (10, 20006692), (20, 10003346), (40, 5001673), (401, 498920), (802, 249460), (1604, 124730), (2005, 99784), (3208, 62365), (4010, 49892), (8020, 24946), (12473, 16040)]