157434320

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4957}}^1$

素因数の和:5367

約数の個数: 40

約数和(自身を含む): 367030824

約数和(自身を除く): 209596504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 4957, 6352, 7940, 9914, 15880, 19828, 24785, 31760, 39656, 49570, 79312, 99140, 198280, 396560, 1967929, 3935858, 7871716, 9839645, 15743432, 19679290, 31486864, 39358580, 78717160, 157434320]

約数ペア:

[(1, 157434320), (2, 78717160), (4, 39358580), (5, 31486864), (8, 19679290), (10, 15743432), (16, 9839645), (20, 7871716), (40, 3935858), (80, 1967929), (397, 396560), (794, 198280), (1588, 99140), (1985, 79312), (3176, 49570), (3970, 39656), (4957, 31760), (6352, 24785), (7940, 19828), (9914, 15880)]