3979609880

素因数分解:

$2^3\times 5^1\times {\mathrm{99490247}}^1$

素因数の和:99490258

約数の個数: 16

約数和(自身を含む): 8954122320

約数和(自身を除く): 4974512440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99490247, 198980494, 397960988, 497451235, 795921976, 994902470, 1989804940, 3979609880]

約数ペア:

[(1, 3979609880), (2, 1989804940), (4, 994902470), (5, 795921976), (8, 497451235), (10, 397960988), (20, 198980494), (40, 99490247)]