90213160

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{3181}}^1$

素因数の和:3901

約数の個数: 32

約数和(自身を含む): 203329800

約数和(自身を除く): 113116640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3181, 3545, 5672, 6362, 7090, 12724, 14180, 15905, 25448, 28360, 31810, 63620, 127240, 2255329, 4510658, 9021316, 11276645, 18042632, 22553290, 45106580, 90213160]

約数ペア:

[(1, 90213160), (2, 45106580), (4, 22553290), (5, 18042632), (8, 11276645), (10, 9021316), (20, 4510658), (40, 2255329), (709, 127240), (1418, 63620), (2836, 31810), (3181, 28360), (3545, 25448), (5672, 15905), (6362, 14180), (7090, 12724)]