531920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 40

約数和(自身を含む): 1268520

約数和(自身を除く): 736600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 109, 122, 218, 244, 305, 436, 488, 545, 610, 872, 976, 1090, 1220, 1744, 2180, 2440, 4360, 4880, 6649, 8720, 13298, 26596, 33245, 53192, 66490, 106384, 132980, 265960, 531920]

約数ペア:

[(1, 531920), (2, 265960), (4, 132980), (5, 106384), (8, 66490), (10, 53192), (16, 33245), (20, 26596), (40, 13298), (61, 8720), (80, 6649), (109, 4880), (122, 4360), (218, 2440), (244, 2180), (305, 1744), (436, 1220), (488, 1090), (545, 976), (610, 872)]