11972560

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1373}}^1$

素因数の和:1495

約数の個数: 40

約数和(自身を含む): 28112040

約数和(自身を除く): 16139480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1373, 1744, 2180, 2746, 4360, 5492, 6865, 8720, 10984, 13730, 21968, 27460, 54920, 109840, 149657, 299314, 598628, 748285, 1197256, 1496570, 2394512, 2993140, 5986280, 11972560]

約数ペア:

[(1, 11972560), (2, 5986280), (4, 2993140), (5, 2394512), (8, 1496570), (10, 1197256), (16, 748285), (20, 598628), (40, 299314), (80, 149657), (109, 109840), (218, 54920), (436, 27460), (545, 21968), (872, 13730), (1090, 10984), (1373, 8720), (1744, 6865), (2180, 5492), (2746, 4360)]