51004120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14327}}^1$

素因数の和:14427

約数の個数: 32

約数和(自身を含む): 116056800

約数和(自身を除く): 65052680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 14327, 28654, 57308, 71635, 114616, 143270, 286540, 573080, 1275103, 2550206, 5100412, 6375515, 10200824, 12751030, 25502060, 51004120]

約数ペア:

[(1, 51004120), (2, 25502060), (4, 12751030), (5, 10200824), (8, 6375515), (10, 5100412), (20, 2550206), (40, 1275103), (89, 573080), (178, 286540), (356, 143270), (445, 114616), (712, 71635), (890, 57308), (1780, 28654), (3560, 14327)]