86678890

素因数分解:

$2^1\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{3463}}^1$

素因数の和:5973

約数の個数: 16

約数和(自身を含む): 156129408

約数和(自身を除く): 69450518

約数列:

[1, 2, 5, 10, 2503, 3463, 5006, 6926, 12515, 17315, 25030, 34630, 8667889, 17335778, 43339445, 86678890]

約数ペア:

[(1, 86678890), (2, 43339445), (5, 17335778), (10, 8667889), (2503, 34630), (3463, 25030), (5006, 17315), (6926, 12515)]