104985640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{138139}}^1$

素因数の和:138169

約数の個数: 32

約数和(自身を含む): 248652000

約数和(自身を除く): 143666360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 138139, 276278, 552556, 690695, 1105112, 1381390, 2624641, 2762780, 5249282, 5525560, 10498564, 13123205, 20997128, 26246410, 52492820, 104985640]

約数ペア:

[(1, 104985640), (2, 52492820), (4, 26246410), (5, 20997128), (8, 13123205), (10, 10498564), (19, 5525560), (20, 5249282), (38, 2762780), (40, 2624641), (76, 1381390), (95, 1105112), (152, 690695), (190, 552556), (380, 276278), (760, 138139)]