5411920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1183

約数の個数: 40

約数和(自身を含む): 12800520

約数和(自身を除く): 7388600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1109, 1220, 2218, 2440, 4436, 4880, 5545, 8872, 11090, 17744, 22180, 44360, 67649, 88720, 135298, 270596, 338245, 541192, 676490, 1082384, 1352980, 2705960, 5411920]

約数ペア:

[(1, 5411920), (2, 2705960), (4, 1352980), (5, 1082384), (8, 676490), (10, 541192), (16, 338245), (20, 270596), (40, 135298), (61, 88720), (80, 67649), (122, 44360), (244, 22180), (305, 17744), (488, 11090), (610, 8872), (976, 5545), (1109, 4880), (1220, 4436), (2218, 2440)]