104178100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 245762048

約数和(自身を除く): 141583948

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 631, 635, 650, 1262, 1270, 1300, 1651, 2524, 2540, 3155, 3175, 3302, 6310, 6350, 6604, 8203, 8255, 12620, 12700, 15775, 16406, 16510, 31550, 32812, 33020, 41015, 41275, 63100, 80137, 82030, 82550, 160274, 164060, 165100, 205075, 320548, 400685, 410150, 801370, 820300, 1041781, 1602740, 2003425, 2083562, 4006850, 4167124, 5208905, 8013700, 10417810, 20835620, 26044525, 52089050, 104178100]

約数ペア:

[(1, 104178100), (2, 52089050), (4, 26044525), (5, 20835620), (10, 10417810), (13, 8013700), (20, 5208905), (25, 4167124), (26, 4006850), (50, 2083562), (52, 2003425), (65, 1602740), (100, 1041781), (127, 820300), (130, 801370), (254, 410150), (260, 400685), (325, 320548), (508, 205075), (631, 165100), (635, 164060), (650, 160274), (1262, 82550), (1270, 82030), (1300, 80137), (1651, 63100), (2524, 41275), (2540, 41015), (3155, 33020), (3175, 32812), (3302, 31550), (6310, 16510), (6350, 16406), (6604, 15775), (8203, 12700), (8255, 12620)]