11655880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 28324080

約数和(自身を除く): 16668200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 281, 305, 340, 488, 562, 610, 680, 1037, 1124, 1220, 1405, 2074, 2248, 2440, 2810, 4148, 4777, 5185, 5620, 8296, 9554, 10370, 11240, 17141, 19108, 20740, 23885, 34282, 38216, 41480, 47770, 68564, 85705, 95540, 137128, 171410, 191080, 291397, 342820, 582794, 685640, 1165588, 1456985, 2331176, 2913970, 5827940, 11655880]

約数ペア:

[(1, 11655880), (2, 5827940), (4, 2913970), (5, 2331176), (8, 1456985), (10, 1165588), (17, 685640), (20, 582794), (34, 342820), (40, 291397), (61, 191080), (68, 171410), (85, 137128), (122, 95540), (136, 85705), (170, 68564), (244, 47770), (281, 41480), (305, 38216), (340, 34282), (488, 23885), (562, 20740), (610, 19108), (680, 17141), (1037, 11240), (1124, 10370), (1220, 9554), (1405, 8296), (2074, 5620), (2248, 5185), (2440, 4777), (2810, 4148)]