28488880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50873}}^1$

素因数の和:50893

約数の個数: 40

約数和(自身を含む): 75700512

約数和(自身を除く): 47211632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50873, 101746, 203492, 254365, 356111, 406984, 508730, 712222, 813968, 1017460, 1424444, 1780555, 2034920, 2848888, 3561110, 4069840, 5697776, 7122220, 14244440, 28488880]

約数ペア:

[(1, 28488880), (2, 14244440), (4, 7122220), (5, 5697776), (7, 4069840), (8, 3561110), (10, 2848888), (14, 2034920), (16, 1780555), (20, 1424444), (28, 1017460), (35, 813968), (40, 712222), (56, 508730), (70, 406984), (80, 356111), (112, 254365), (140, 203492), (280, 101746), (560, 50873)]