108126640

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2089}}^1$

素因数の和:2749

約数の個数: 40

約数和(自身を含む): 251903520

約数和(自身を除く): 143776880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2089, 2588, 3235, 4178, 5176, 6470, 8356, 10352, 10445, 12940, 16712, 20890, 25880, 33424, 41780, 51760, 83560, 167120, 1351583, 2703166, 5406332, 6757915, 10812664, 13515830, 21625328, 27031660, 54063320, 108126640]

約数ペア:

[(1, 108126640), (2, 54063320), (4, 27031660), (5, 21625328), (8, 13515830), (10, 10812664), (16, 6757915), (20, 5406332), (40, 2703166), (80, 1351583), (647, 167120), (1294, 83560), (2089, 51760), (2588, 41780), (3235, 33424), (4178, 25880), (5176, 20890), (6470, 16712), (8356, 12940), (10352, 10445)]