25051840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 84

約数和(自身を含む): 65672208

約数和(自身を除く): 40620368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 647, 704, 880, 968, 1210, 1294, 1760, 1936, 2420, 2588, 3235, 3520, 3872, 4840, 5176, 6470, 7117, 7744, 9680, 10352, 12940, 14234, 19360, 20704, 25880, 28468, 35585, 38720, 41408, 51760, 56936, 71170, 78287, 103520, 113872, 142340, 156574, 207040, 227744, 284680, 313148, 391435, 455488, 569360, 626296, 782870, 1138720, 1252592, 1565740, 2277440, 2505184, 3131480, 5010368, 6262960, 12525920, 25051840]

約数ペア:

[(1, 25051840), (2, 12525920), (4, 6262960), (5, 5010368), (8, 3131480), (10, 2505184), (11, 2277440), (16, 1565740), (20, 1252592), (22, 1138720), (32, 782870), (40, 626296), (44, 569360), (55, 455488), (64, 391435), (80, 313148), (88, 284680), (110, 227744), (121, 207040), (160, 156574), (176, 142340), (220, 113872), (242, 103520), (320, 78287), (352, 71170), (440, 56936), (484, 51760), (605, 41408), (647, 38720), (704, 35585), (880, 28468), (968, 25880), (1210, 20704), (1294, 19360), (1760, 14234), (1936, 12940), (2420, 10352), (2588, 9680), (3235, 7744), (3520, 7117), (3872, 6470), (4840, 5176)]