8111840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{419}}^1$

素因数の和:456

約数の個数: 72

約数和(自身を含む): 21115080

約数和(自身を除く): 13003240

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, 419, 440, 484, 605, 838, 880, 968, 1210, 1676, 1760, 1936, 2095, 2420, 3352, 3872, 4190, 4609, 4840, 6704, 8380, 9218, 9680, 13408, 16760, 18436, 19360, 23045, 33520, 36872, 46090, 50699, 67040, 73744, 92180, 101398, 147488, 184360, 202796, 253495, 368720, 405592, 506990, 737440, 811184, 1013980, 1622368, 2027960, 4055920, 8111840]

約数ペア:

[(1, 8111840), (2, 4055920), (4, 2027960), (5, 1622368), (8, 1013980), (10, 811184), (11, 737440), (16, 506990), (20, 405592), (22, 368720), (32, 253495), (40, 202796), (44, 184360), (55, 147488), (80, 101398), (88, 92180), (110, 73744), (121, 67040), (160, 50699), (176, 46090), (220, 36872), (242, 33520), (352, 23045), (419, 19360), (440, 18436), (484, 16760), (605, 13408), (838, 9680), (880, 9218), (968, 8380), (1210, 6704), (1676, 4840), (1760, 4609), (1936, 4190), (2095, 3872), (2420, 3352)]