2016185840

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{59863}}^1$

素因数の和:60297

約数の個数: 40

約数和(自身を含む): 4698845088

約数和(自身を除く): 2682659248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 6736, 8420, 16840, 33680, 59863, 119726, 239452, 299315, 478904, 598630, 957808, 1197260, 2394520, 4789040, 25202323, 50404646, 100809292, 126011615, 201618584, 252023230, 403237168, 504046460, 1008092920, 2016185840]

約数ペア:

[(1, 2016185840), (2, 1008092920), (4, 504046460), (5, 403237168), (8, 252023230), (10, 201618584), (16, 126011615), (20, 100809292), (40, 50404646), (80, 25202323), (421, 4789040), (842, 2394520), (1684, 1197260), (2105, 957808), (3368, 598630), (4210, 478904), (6736, 299315), (8420, 239452), (16840, 119726), (33680, 59863)]