11755940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 28473984

約数和(自身を除く): 16718044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 641, 655, 917, 1282, 1310, 1834, 2564, 2620, 3205, 3668, 4487, 4585, 6410, 8974, 9170, 12820, 17948, 18340, 22435, 44870, 83971, 89740, 167942, 335884, 419855, 587797, 839710, 1175594, 1679420, 2351188, 2938985, 5877970, 11755940]

約数ペア:

[(1, 11755940), (2, 5877970), (4, 2938985), (5, 2351188), (7, 1679420), (10, 1175594), (14, 839710), (20, 587797), (28, 419855), (35, 335884), (70, 167942), (131, 89740), (140, 83971), (262, 44870), (524, 22435), (641, 18340), (655, 17948), (917, 12820), (1282, 9170), (1310, 8974), (1834, 6410), (2564, 4585), (2620, 4487), (3205, 3668)]