66548620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 145605600

約数和(自身を除く): 79056980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 290, 358, 580, 641, 716, 895, 1282, 1790, 2564, 3205, 3580, 5191, 6410, 10382, 12820, 18589, 20764, 25955, 37178, 51910, 74356, 92945, 103820, 114739, 185890, 229478, 371780, 458956, 573695, 1147390, 2294780, 3327431, 6654862, 13309724, 16637155, 33274310, 66548620]

約数ペア:

[(1, 66548620), (2, 33274310), (4, 16637155), (5, 13309724), (10, 6654862), (20, 3327431), (29, 2294780), (58, 1147390), (116, 573695), (145, 458956), (179, 371780), (290, 229478), (358, 185890), (580, 114739), (641, 103820), (716, 92945), (895, 74356), (1282, 51910), (1790, 37178), (2564, 25955), (3205, 20764), (3580, 18589), (5191, 12820), (6410, 10382)]