30740980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{37489}}^1$

素因数の和:37539

約数の個数: 24

約数和(自身を含む): 66132360

約数和(自身を除く): 35391380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 37489, 74978, 149956, 187445, 374890, 749780, 1537049, 3074098, 6148196, 7685245, 15370490, 30740980]

約数ペア:

[(1, 30740980), (2, 15370490), (4, 7685245), (5, 6148196), (10, 3074098), (20, 1537049), (41, 749780), (82, 374890), (164, 187445), (205, 149956), (410, 74978), (820, 37489)]