56801320

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3373}}^1$

素因数の和:3805

約数の個数: 32

約数和(自身を含む): 128144520

約数和(自身を除く): 71343200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 3373, 4210, 6746, 8420, 13492, 16840, 16865, 26984, 33730, 67460, 134920, 1420033, 2840066, 5680132, 7100165, 11360264, 14200330, 28400660, 56801320]

約数ペア:

[(1, 56801320), (2, 28400660), (4, 14200330), (5, 11360264), (8, 7100165), (10, 5680132), (20, 2840066), (40, 1420033), (421, 134920), (842, 67460), (1684, 33730), (2105, 26984), (3368, 16865), (3373, 16840), (4210, 13492), (6746, 8420)]