39684280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18719}}^1$

素因数の和:18783

約数の個数: 32

約数和(自身を含む): 90979200

約数和(自身を除く): 51294920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 18719, 37438, 74876, 93595, 149752, 187190, 374380, 748760, 992107, 1984214, 3968428, 4960535, 7936856, 9921070, 19842140, 39684280]

約数ペア:

[(1, 39684280), (2, 19842140), (4, 9921070), (5, 7936856), (8, 4960535), (10, 3968428), (20, 1984214), (40, 992107), (53, 748760), (106, 374380), (212, 187190), (265, 149752), (424, 93595), (530, 74876), (1060, 37438), (2120, 18719)]