2597660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 5992896

約数和(自身を除く): 3395236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 103, 130, 194, 206, 260, 388, 412, 485, 515, 970, 1030, 1261, 1339, 1940, 2060, 2522, 2678, 5044, 5356, 6305, 6695, 9991, 12610, 13390, 19982, 25220, 26780, 39964, 49955, 99910, 129883, 199820, 259766, 519532, 649415, 1298830, 2597660]

約数ペア:

[(1, 2597660), (2, 1298830), (4, 649415), (5, 519532), (10, 259766), (13, 199820), (20, 129883), (26, 99910), (52, 49955), (65, 39964), (97, 26780), (103, 25220), (130, 19982), (194, 13390), (206, 12610), (260, 9991), (388, 6695), (412, 6305), (485, 5356), (515, 5044), (970, 2678), (1030, 2522), (1261, 2060), (1339, 1940)]