85247320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 198288000

約数和(自身を除く): 113040680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 79, 106, 158, 212, 265, 316, 395, 424, 509, 530, 632, 790, 1018, 1060, 1580, 2036, 2120, 2545, 3160, 4072, 4187, 5090, 8374, 10180, 16748, 20360, 20935, 26977, 33496, 40211, 41870, 53954, 80422, 83740, 107908, 134885, 160844, 167480, 201055, 215816, 269770, 321688, 402110, 539540, 804220, 1079080, 1608440, 2131183, 4262366, 8524732, 10655915, 17049464, 21311830, 42623660, 85247320]

約数ペア:

[(1, 85247320), (2, 42623660), (4, 21311830), (5, 17049464), (8, 10655915), (10, 8524732), (20, 4262366), (40, 2131183), (53, 1608440), (79, 1079080), (106, 804220), (158, 539540), (212, 402110), (265, 321688), (316, 269770), (395, 215816), (424, 201055), (509, 167480), (530, 160844), (632, 134885), (790, 107908), (1018, 83740), (1060, 80422), (1580, 53954), (2036, 41870), (2120, 40211), (2545, 33496), (3160, 26977), (4072, 20935), (4187, 20360), (5090, 16748), (8374, 10180)]