4216820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 9434880

約数和(自身を除く): 5218060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 103, 115, 178, 206, 230, 356, 412, 445, 460, 515, 890, 1030, 1780, 2047, 2060, 2369, 4094, 4738, 8188, 9167, 9476, 10235, 11845, 18334, 20470, 23690, 36668, 40940, 45835, 47380, 91670, 183340, 210841, 421682, 843364, 1054205, 2108410, 4216820]

約数ペア:

[(1, 4216820), (2, 2108410), (4, 1054205), (5, 843364), (10, 421682), (20, 210841), (23, 183340), (46, 91670), (89, 47380), (92, 45835), (103, 40940), (115, 36668), (178, 23690), (206, 20470), (230, 18334), (356, 11845), (412, 10235), (445, 9476), (460, 9167), (515, 8188), (890, 4738), (1030, 4094), (1780, 2369), (2047, 2060)]