12704750

素因数分解:

$2^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 24092640

約数和(自身を除く): 11387890

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 571, 890, 1142, 2225, 2855, 4450, 5710, 11125, 14275, 22250, 28550, 50819, 71375, 101638, 142750, 254095, 508190, 1270475, 2540950, 6352375, 12704750]

約数ペア:

[(1, 12704750), (2, 6352375), (5, 2540950), (10, 1270475), (25, 508190), (50, 254095), (89, 142750), (125, 101638), (178, 71375), (250, 50819), (445, 28550), (571, 22250), (890, 14275), (1142, 11125), (2225, 5710), (2855, 4450)]