25865880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 77932800

約数和(自身を除く): 52066920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 439, 491, 878, 982, 1317, 1473, 1756, 1964, 2195, 2455, 2634, 2946, 3512, 3928, 4390, 4910, 5268, 5892, 6585, 7365, 8780, 9820, 10536, 11784, 13170, 14730, 17560, 19640, 26340, 29460, 52680, 58920, 215549, 431098, 646647, 862196, 1077745, 1293294, 1724392, 2155490, 2586588, 3233235, 4310980, 5173176, 6466470, 8621960, 12932940, 25865880]

約数ペア:

[(1, 25865880), (2, 12932940), (3, 8621960), (4, 6466470), (5, 5173176), (6, 4310980), (8, 3233235), (10, 2586588), (12, 2155490), (15, 1724392), (20, 1293294), (24, 1077745), (30, 862196), (40, 646647), (60, 431098), (120, 215549), (439, 58920), (491, 52680), (878, 29460), (982, 26340), (1317, 19640), (1473, 17560), (1756, 14730), (1964, 13170), (2195, 11784), (2455, 10536), (2634, 9820), (2946, 8780), (3512, 7365), (3928, 6585), (4390, 5892), (4910, 5268)]