42355120

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1061}}^1$

素因数の和:1573

約数の個数: 40

約数和(自身を含む): 98766000

約数和(自身を除く): 56410880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1061, 1996, 2122, 2495, 3992, 4244, 4990, 5305, 7984, 8488, 9980, 10610, 16976, 19960, 21220, 39920, 42440, 84880, 529439, 1058878, 2117756, 2647195, 4235512, 5294390, 8471024, 10588780, 21177560, 42355120]

約数ペア:

[(1, 42355120), (2, 21177560), (4, 10588780), (5, 8471024), (8, 5294390), (10, 4235512), (16, 2647195), (20, 2117756), (40, 1058878), (80, 529439), (499, 84880), (998, 42440), (1061, 39920), (1996, 21220), (2122, 19960), (2495, 16976), (3992, 10610), (4244, 9980), (4990, 8488), (5305, 7984)]