200419820

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{16189}}^1$

素因数の和:16817

約数の個数: 24

約数和(自身を含む): 421587600

約数和(自身を除く): 221167780

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 16189, 32378, 64756, 80945, 161890, 323780, 10020991, 20041982, 40083964, 50104955, 100209910, 200419820]

約数ペア:

[(1, 200419820), (2, 100209910), (4, 50104955), (5, 40083964), (10, 20041982), (20, 10020991), (619, 323780), (1238, 161890), (2476, 80945), (3095, 64756), (6190, 32378), (12380, 16189)]