64359080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4457}}^1$

素因数の和:4506

約数の個数: 48

約数和(自身を含む): 152864820

約数和(自身を除く): 88505740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 4457, 7220, 8914, 14440, 17828, 22285, 35656, 44570, 84683, 89140, 169366, 178280, 338732, 423415, 677464, 846830, 1608977, 1693660, 3217954, 3387320, 6435908, 8044885, 12871816, 16089770, 32179540, 64359080]

約数ペア:

[(1, 64359080), (2, 32179540), (4, 16089770), (5, 12871816), (8, 8044885), (10, 6435908), (19, 3387320), (20, 3217954), (38, 1693660), (40, 1608977), (76, 846830), (95, 677464), (152, 423415), (190, 338732), (361, 178280), (380, 169366), (722, 89140), (760, 84683), (1444, 44570), (1805, 35656), (2888, 22285), (3610, 17828), (4457, 14440), (7220, 8914)]