81110720

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5393}}^1$

素因数の和:5457

約数の個数: 56

約数和(自身を含む): 197290944

約数和(自身を除く): 116180224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1504, 1880, 3008, 3760, 5393, 7520, 10786, 15040, 21572, 26965, 43144, 53930, 86288, 107860, 172576, 215720, 253471, 345152, 431440, 506942, 862880, 1013884, 1267355, 1725760, 2027768, 2534710, 4055536, 5069420, 8111072, 10138840, 16222144, 20277680, 40555360, 81110720]

約数ペア:

[(1, 81110720), (2, 40555360), (4, 20277680), (5, 16222144), (8, 10138840), (10, 8111072), (16, 5069420), (20, 4055536), (32, 2534710), (40, 2027768), (47, 1725760), (64, 1267355), (80, 1013884), (94, 862880), (160, 506942), (188, 431440), (235, 345152), (320, 253471), (376, 215720), (470, 172576), (752, 107860), (940, 86288), (1504, 53930), (1880, 43144), (3008, 26965), (3760, 21572), (5393, 15040), (7520, 10786)]