65720201300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{398063}}^1$

素因数の和:398217

約数の個数: 72

約数和(自身を含む): 154792759296

約数和(自身を除く): 89072557996

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 635, 650, 1270, 1300, 1651, 2540, 3175, 3302, 6350, 6604, 8255, 12700, 16510, 33020, 41275, 82550, 165100, 398063, 796126, 1592252, 1990315, 3980630, 5174819, 7961260, 9951575, 10349638, 19903150, 20699276, 25874095, 39806300, 50554001, 51748190, 101108002, 103496380, 129370475, 202216004, 252770005, 258740950, 505540010, 517481900, 657202013, 1011080020, 1263850025, 1314404026, 2527700050, 2628808052, 3286010065, 5055400100, 6572020130, 13144040260, 16430050325, 32860100650, 65720201300]

約数ペア:

[(1, 65720201300), (2, 32860100650), (4, 16430050325), (5, 13144040260), (10, 6572020130), (13, 5055400100), (20, 3286010065), (25, 2628808052), (26, 2527700050), (50, 1314404026), (52, 1263850025), (65, 1011080020), (100, 657202013), (127, 517481900), (130, 505540010), (254, 258740950), (260, 252770005), (325, 202216004), (508, 129370475), (635, 103496380), (650, 101108002), (1270, 51748190), (1300, 50554001), (1651, 39806300), (2540, 25874095), (3175, 20699276), (3302, 19903150), (6350, 10349638), (6604, 9951575), (8255, 7961260), (12700, 5174819), (16510, 3980630), (33020, 1990315), (41275, 1592252), (82550, 796126), (165100, 398063)]