61927280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5569}}^1$

素因数の和:5721

約数の個数: 40

約数和(自身を含む): 145042800

約数和(自身を除く): 83115520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 5569, 11120, 11138, 22276, 27845, 44552, 55690, 89104, 111380, 222760, 445520, 774091, 1548182, 3096364, 3870455, 6192728, 7740910, 12385456, 15481820, 30963640, 61927280]

約数ペア:

[(1, 61927280), (2, 30963640), (4, 15481820), (5, 12385456), (8, 7740910), (10, 6192728), (16, 3870455), (20, 3096364), (40, 1548182), (80, 774091), (139, 445520), (278, 222760), (556, 111380), (695, 89104), (1112, 55690), (1390, 44552), (2224, 27845), (2780, 22276), (5560, 11138), (5569, 11120)]