42174940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26693}}^1$

素因数の和:26781

約数の個数: 24

約数和(自身を含む): 89691840

約数和(自身を除く): 47516900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26693, 53386, 106772, 133465, 266930, 533860, 2108747, 4217494, 8434988, 10543735, 21087470, 42174940]

約数ペア:

[(1, 42174940), (2, 21087470), (4, 10543735), (5, 8434988), (10, 4217494), (20, 2108747), (79, 533860), (158, 266930), (316, 133465), (395, 106772), (790, 53386), (1580, 26693)]