5118100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 12443648

約数和(自身を除く): 7325548

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 127, 130, 155, 254, 260, 310, 325, 403, 508, 620, 635, 650, 775, 806, 1270, 1300, 1550, 1612, 1651, 2015, 2540, 3100, 3175, 3302, 3937, 4030, 6350, 6604, 7874, 8060, 8255, 10075, 12700, 15748, 16510, 19685, 20150, 33020, 39370, 40300, 41275, 51181, 78740, 82550, 98425, 102362, 165100, 196850, 204724, 255905, 393700, 511810, 1023620, 1279525, 2559050, 5118100]

約数ペア:

[(1, 5118100), (2, 2559050), (4, 1279525), (5, 1023620), (10, 511810), (13, 393700), (20, 255905), (25, 204724), (26, 196850), (31, 165100), (50, 102362), (52, 98425), (62, 82550), (65, 78740), (100, 51181), (124, 41275), (127, 40300), (130, 39370), (155, 33020), (254, 20150), (260, 19685), (310, 16510), (325, 15748), (403, 12700), (508, 10075), (620, 8255), (635, 8060), (650, 7874), (775, 6604), (806, 6350), (1270, 4030), (1300, 3937), (1550, 3302), (1612, 3175), (1651, 3100), (2015, 2540)]