38647280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{9859}}^1$

素因数の和:9886

約数の個数: 60

約数和(自身を含む): 104535720

約数和(自身を除く): 65888440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 9859, 19718, 39436, 49295, 69013, 78872, 98590, 138026, 157744, 197180, 276052, 345065, 394360, 483091, 552104, 690130, 788720, 966182, 1104208, 1380260, 1932364, 2415455, 2760520, 3864728, 4830910, 5521040, 7729456, 9661820, 19323640, 38647280]

約数ペア:

[(1, 38647280), (2, 19323640), (4, 9661820), (5, 7729456), (7, 5521040), (8, 4830910), (10, 3864728), (14, 2760520), (16, 2415455), (20, 1932364), (28, 1380260), (35, 1104208), (40, 966182), (49, 788720), (56, 690130), (70, 552104), (80, 483091), (98, 394360), (112, 345065), (140, 276052), (196, 197180), (245, 157744), (280, 138026), (392, 98590), (490, 78872), (560, 69013), (784, 49295), (980, 39436), (1960, 19718), (3920, 9859)]