25080880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2591}}^1$

素因数の和:2626

約数の個数: 60

約数和(自身を含む): 64120896

約数和(自身を除く): 39040016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 2591, 4840, 5182, 9680, 10364, 12955, 20728, 25910, 28501, 41456, 51820, 57002, 103640, 114004, 142505, 207280, 228008, 285010, 313511, 456016, 570020, 627022, 1140040, 1254044, 1567555, 2280080, 2508088, 3135110, 5016176, 6270220, 12540440, 25080880]

約数ペア:

[(1, 25080880), (2, 12540440), (4, 6270220), (5, 5016176), (8, 3135110), (10, 2508088), (11, 2280080), (16, 1567555), (20, 1254044), (22, 1140040), (40, 627022), (44, 570020), (55, 456016), (80, 313511), (88, 285010), (110, 228008), (121, 207280), (176, 142505), (220, 114004), (242, 103640), (440, 57002), (484, 51820), (605, 41456), (880, 28501), (968, 25910), (1210, 20728), (1936, 12955), (2420, 10364), (2591, 9680), (4840, 5182)]