67818580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{55589}}^1$

素因数の和:55659

約数の個数: 24

約数和(自身を含む): 144756360

約数和(自身を除く): 76937780

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 55589, 111178, 222356, 277945, 555890, 1111780, 3390929, 6781858, 13563716, 16954645, 33909290, 67818580]

約数ペア:

[(1, 67818580), (2, 33909290), (4, 16954645), (5, 13563716), (10, 6781858), (20, 3390929), (61, 1111780), (122, 555890), (244, 277945), (305, 222356), (610, 111178), (1220, 55589)]