51399560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67631}}^1$

素因数の和:67661

約数の個数: 32

約数和(自身を含む): 121737600

約数和(自身を除く): 70338040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 67631, 135262, 270524, 338155, 541048, 676310, 1284989, 1352620, 2569978, 2705240, 5139956, 6424945, 10279912, 12849890, 25699780, 51399560]

約数ペア:

[(1, 51399560), (2, 25699780), (4, 12849890), (5, 10279912), (8, 6424945), (10, 5139956), (19, 2705240), (20, 2569978), (38, 1352620), (40, 1284989), (76, 676310), (95, 541048), (152, 338155), (190, 270524), (380, 135262), (760, 67631)]