28356560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2791}}^1$

素因数の和:2931

約数の個数: 40

約数和(自身を含む): 66471936

約数和(自身を除く): 38115376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 2791, 5080, 5582, 10160, 11164, 13955, 22328, 27910, 44656, 55820, 111640, 223280, 354457, 708914, 1417828, 1772285, 2835656, 3544570, 5671312, 7089140, 14178280, 28356560]

約数ペア:

[(1, 28356560), (2, 14178280), (4, 7089140), (5, 5671312), (8, 3544570), (10, 2835656), (16, 1772285), (20, 1417828), (40, 708914), (80, 354457), (127, 223280), (254, 111640), (508, 55820), (635, 44656), (1016, 27910), (1270, 22328), (2032, 13955), (2540, 11164), (2791, 10160), (5080, 5582)]