51307280

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7727}}^1$

素因数の和:7823

約数の個数: 40

約数和(自身を含む): 120742272

約数和(自身を除く): 69434992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 7727, 15454, 30908, 38635, 61816, 77270, 123632, 154540, 309080, 618160, 641341, 1282682, 2565364, 3206705, 5130728, 6413410, 10261456, 12826820, 25653640, 51307280]

約数ペア:

[(1, 51307280), (2, 25653640), (4, 12826820), (5, 10261456), (8, 6413410), (10, 5130728), (16, 3206705), (20, 2565364), (40, 1282682), (80, 641341), (83, 618160), (166, 309080), (332, 154540), (415, 123632), (664, 77270), (830, 61816), (1328, 38635), (1660, 30908), (3320, 15454), (6640, 7727)]