8256080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 22927104

約数和(自身を除く): 14671024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 641, 644, 805, 920, 1282, 1288, 1610, 1840, 2564, 2576, 3205, 3220, 4487, 5128, 6410, 6440, 8974, 10256, 12820, 12880, 14743, 17948, 22435, 25640, 29486, 35896, 44870, 51280, 58972, 71792, 73715, 89740, 103201, 117944, 147430, 179480, 206402, 235888, 294860, 358960, 412804, 516005, 589720, 825608, 1032010, 1179440, 1651216, 2064020, 4128040, 8256080]

約数ペア:

[(1, 8256080), (2, 4128040), (4, 2064020), (5, 1651216), (7, 1179440), (8, 1032010), (10, 825608), (14, 589720), (16, 516005), (20, 412804), (23, 358960), (28, 294860), (35, 235888), (40, 206402), (46, 179480), (56, 147430), (70, 117944), (80, 103201), (92, 89740), (112, 73715), (115, 71792), (140, 58972), (161, 51280), (184, 44870), (230, 35896), (280, 29486), (322, 25640), (368, 22435), (460, 17948), (560, 14743), (641, 12880), (644, 12820), (805, 10256), (920, 8974), (1282, 6440), (1288, 6410), (1610, 5128), (1840, 4487), (2564, 3220), (2576, 3205)]