82661780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{107}}^2$

素因数の和:261

約数の個数: 54

約数和(自身を含む): 184935114

約数和(自身を除く): 102273334

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 361, 380, 428, 535, 722, 1070, 1444, 1805, 2033, 2140, 3610, 4066, 7220, 8132, 10165, 11449, 20330, 22898, 38627, 40660, 45796, 57245, 77254, 114490, 154508, 193135, 217531, 228980, 386270, 435062, 772540, 870124, 1087655, 2175310, 4133089, 4350620, 8266178, 16532356, 20665445, 41330890, 82661780]

約数ペア:

[(1, 82661780), (2, 41330890), (4, 20665445), (5, 16532356), (10, 8266178), (19, 4350620), (20, 4133089), (38, 2175310), (76, 1087655), (95, 870124), (107, 772540), (190, 435062), (214, 386270), (361, 228980), (380, 217531), (428, 193135), (535, 154508), (722, 114490), (1070, 77254), (1444, 57245), (1805, 45796), (2033, 40660), (2140, 38627), (3610, 22898), (4066, 20330), (7220, 11449), (8132, 10165)]