83640070

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{19867}}^1$

素因数の和:20295

約数の個数: 16

約数和(自身を含む): 150917328

約数和(自身を除く): 67277258

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 19867, 39734, 99335, 198670, 8364007, 16728014, 41820035, 83640070]

約数ペア:

[(1, 83640070), (2, 41820035), (5, 16728014), (10, 8364007), (421, 198670), (842, 99335), (2105, 39734), (4210, 19867)]