55047320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 129392640

約数和(自身を除く): 74345320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 431, 515, 620, 824, 862, 1030, 1240, 1724, 2060, 2155, 3193, 3448, 4120, 4310, 6386, 8620, 12772, 13361, 15965, 17240, 25544, 26722, 31930, 44393, 53444, 63860, 66805, 88786, 106888, 127720, 133610, 177572, 221965, 267220, 355144, 443930, 534440, 887860, 1376183, 1775720, 2752366, 5504732, 6880915, 11009464, 13761830, 27523660, 55047320]

約数ペア:

[(1, 55047320), (2, 27523660), (4, 13761830), (5, 11009464), (8, 6880915), (10, 5504732), (20, 2752366), (31, 1775720), (40, 1376183), (62, 887860), (103, 534440), (124, 443930), (155, 355144), (206, 267220), (248, 221965), (310, 177572), (412, 133610), (431, 127720), (515, 106888), (620, 88786), (824, 66805), (862, 63860), (1030, 53444), (1240, 44393), (1724, 31930), (2060, 26722), (2155, 25544), (3193, 17240), (3448, 15965), (4120, 13361), (4310, 12772), (6386, 8620)]