65940560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117751}}^1$

素因数の和:117771

約数の個数: 40

約数和(自身を含む): 175214976

約数和(自身を除く): 109274416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117751, 235502, 471004, 588755, 824257, 942008, 1177510, 1648514, 1884016, 2355020, 3297028, 4121285, 4710040, 6594056, 8242570, 9420080, 13188112, 16485140, 32970280, 65940560]

約数ペア:

[(1, 65940560), (2, 32970280), (4, 16485140), (5, 13188112), (7, 9420080), (8, 8242570), (10, 6594056), (14, 4710040), (16, 4121285), (20, 3297028), (28, 2355020), (35, 1884016), (40, 1648514), (56, 1177510), (70, 942008), (80, 824257), (112, 588755), (140, 471004), (280, 235502), (560, 117751)]