212984080

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20963}}^1$

素因数の和:21103

約数の個数: 40

約数和(自身を含む): 499110912

約数和(自身を除く): 286126832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20963, 41926, 83852, 104815, 167704, 209630, 335408, 419260, 838520, 1677040, 2662301, 5324602, 10649204, 13311505, 21298408, 26623010, 42596816, 53246020, 106492040, 212984080]

約数ペア:

[(1, 212984080), (2, 106492040), (4, 53246020), (5, 42596816), (8, 26623010), (10, 21298408), (16, 13311505), (20, 10649204), (40, 5324602), (80, 2662301), (127, 1677040), (254, 838520), (508, 419260), (635, 335408), (1016, 209630), (1270, 167704), (2032, 104815), (2540, 83852), (5080, 41926), (10160, 20963)]