4021700560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1\times {\mathrm{1361}}^1$

素因数の和:2276

約数の個数: 80

約数和(自身を含む): 9586082880

約数和(自身を除く): 5564382320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 859, 860, 1361, 1718, 1720, 2722, 3436, 3440, 4295, 5444, 6805, 6872, 8590, 10888, 13610, 13744, 17180, 21776, 27220, 34360, 36937, 54440, 58523, 68720, 73874, 108880, 117046, 147748, 184685, 234092, 292615, 295496, 369370, 468184, 585230, 590992, 738740, 936368, 1169099, 1170460, 1477480, 2338198, 2340920, 2954960, 4676396, 4681840, 5845495, 9352792, 11690990, 18705584, 23381980, 46763960, 50271257, 93527920, 100542514, 201085028, 251356285, 402170056, 502712570, 804340112, 1005425140, 2010850280, 4021700560]

約数ペア:

[(1, 4021700560), (2, 2010850280), (4, 1005425140), (5, 804340112), (8, 502712570), (10, 402170056), (16, 251356285), (20, 201085028), (40, 100542514), (43, 93527920), (80, 50271257), (86, 46763960), (172, 23381980), (215, 18705584), (344, 11690990), (430, 9352792), (688, 5845495), (859, 4681840), (860, 4676396), (1361, 2954960), (1718, 2340920), (1720, 2338198), (2722, 1477480), (3436, 1170460), (3440, 1169099), (4295, 936368), (5444, 738740), (6805, 590992), (6872, 585230), (8590, 468184), (10888, 369370), (13610, 295496), (13744, 292615), (17180, 234092), (21776, 184685), (27220, 147748), (34360, 117046), (36937, 108880), (54440, 73874), (58523, 68720)]