8581212680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2410453}}^1$

素因数の和:2410553

約数の個数: 32

約数和(自身を含む): 19524677400

約数和(自身を除く): 10943464720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 2410453, 4820906, 9641812, 12052265, 19283624, 24104530, 48209060, 96418120, 214530317, 429060634, 858121268, 1072651585, 1716242536, 2145303170, 4290606340, 8581212680]

約数ペア:

[(1, 8581212680), (2, 4290606340), (4, 2145303170), (5, 1716242536), (8, 1072651585), (10, 858121268), (20, 429060634), (40, 214530317), (89, 96418120), (178, 48209060), (356, 24104530), (445, 19283624), (712, 12052265), (890, 9641812), (1780, 4820906), (3560, 2410453)]