7220680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 16422840

約数和(自身を除く): 9202160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1861, 1940, 3722, 3880, 7444, 9305, 14888, 18610, 37220, 74440, 180517, 361034, 722068, 902585, 1444136, 1805170, 3610340, 7220680]

約数ペア:

[(1, 7220680), (2, 3610340), (4, 1805170), (5, 1444136), (8, 902585), (10, 722068), (20, 361034), (40, 180517), (97, 74440), (194, 37220), (388, 18610), (485, 14888), (776, 9305), (970, 7444), (1861, 3880), (1940, 3722)]