7140061640

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{445141}}^1$

素因数の和:445553

約数の個数: 32

約数和(自身を含む): 16105237560

約数和(自身を除く): 8965175920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 445141, 890282, 1780564, 2225705, 3561128, 4451410, 8902820, 17805640, 178501541, 357003082, 714006164, 892507705, 1428012328, 1785015410, 3570030820, 7140061640]

約数ペア:

[(1, 7140061640), (2, 3570030820), (4, 1785015410), (5, 1428012328), (8, 892507705), (10, 714006164), (20, 357003082), (40, 178501541), (401, 17805640), (802, 8902820), (1604, 4451410), (2005, 3561128), (3208, 2225705), (4010, 1780564), (8020, 890282), (16040, 445141)]