39840790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8423}}^1$

素因数の和:8484

約数の個数: 32

約数和(自身を含む): 80061696

約数和(自身を除く): 40220906

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 8423, 16846, 42115, 84230, 92653, 185306, 362189, 463265, 724378, 926530, 1810945, 3621890, 3984079, 7968158, 19920395, 39840790]

約数ペア:

[(1, 39840790), (2, 19920395), (5, 7968158), (10, 3984079), (11, 3621890), (22, 1810945), (43, 926530), (55, 724378), (86, 463265), (110, 362189), (215, 185306), (430, 92653), (473, 84230), (946, 42115), (2365, 16846), (4730, 8423)]