12525920

素因数分解:

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

素因数の和:684

約数の個数: 72

約数和(自身を含む): 32577552

約数和(自身を除く): 20051632

約数列:

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

約数ペア:

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