64435120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17137}}^1$

素因数の和:17197

約数の個数: 40

約数和(自身を含む): 153008064

約数和(自身を除く): 88572944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17137, 34274, 68548, 85685, 137096, 171370, 274192, 342740, 685480, 805439, 1370960, 1610878, 3221756, 4027195, 6443512, 8054390, 12887024, 16108780, 32217560, 64435120]

約数ペア:

[(1, 64435120), (2, 32217560), (4, 16108780), (5, 12887024), (8, 8054390), (10, 6443512), (16, 4027195), (20, 3221756), (40, 1610878), (47, 1370960), (80, 805439), (94, 685480), (188, 342740), (235, 274192), (376, 171370), (470, 137096), (752, 85685), (940, 68548), (1880, 34274), (3760, 17137)]