30042920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1873}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 67801320

約数和(自身を除く): 37758400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 1873, 2005, 3208, 3746, 4010, 7492, 8020, 9365, 14984, 16040, 18730, 37460, 74920, 751073, 1502146, 3004292, 3755365, 6008584, 7510730, 15021460, 30042920]

約数ペア:

[(1, 30042920), (2, 15021460), (4, 7510730), (5, 6008584), (8, 3755365), (10, 3004292), (20, 1502146), (40, 751073), (401, 74920), (802, 37460), (1604, 18730), (1873, 16040), (2005, 14984), (3208, 9365), (3746, 8020), (4010, 7492)]