51895280

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2113}}^1$

素因数の和:2433

約数の個数: 40

約数和(自身を含む): 121106832

約数和(自身を除く): 69211552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2113, 2456, 3070, 4226, 4912, 6140, 8452, 10565, 12280, 16904, 21130, 24560, 33808, 42260, 84520, 169040, 648691, 1297382, 2594764, 3243455, 5189528, 6486910, 10379056, 12973820, 25947640, 51895280]

約数ペア:

[(1, 51895280), (2, 25947640), (4, 12973820), (5, 10379056), (8, 6486910), (10, 5189528), (16, 3243455), (20, 2594764), (40, 1297382), (80, 648691), (307, 169040), (614, 84520), (1228, 42260), (1535, 33808), (2113, 24560), (2456, 21130), (3070, 16904), (4226, 12280), (4912, 10565), (6140, 8452)]