80043752

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 161635500

約数和(自身を除く): 81591748

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 289, 356, 389, 578, 712, 778, 1156, 1513, 1556, 2312, 3026, 3112, 6052, 6613, 12104, 13226, 25721, 26452, 34621, 51442, 52904, 69242, 102884, 112421, 138484, 205768, 224842, 276968, 449684, 588557, 899368, 1177114, 2354228, 4708456, 10005469, 20010938, 40021876, 80043752]

約数ペア:

[(1, 80043752), (2, 40021876), (4, 20010938), (8, 10005469), (17, 4708456), (34, 2354228), (68, 1177114), (89, 899368), (136, 588557), (178, 449684), (289, 276968), (356, 224842), (389, 205768), (578, 138484), (712, 112421), (778, 102884), (1156, 69242), (1513, 52904), (1556, 51442), (2312, 34621), (3026, 26452), (3112, 25721), (6052, 13226), (6613, 12104)]