15940480

素因数分解:

$2^7\times 5^1\times {\mathrm{24907}}^1$

素因数の和:24926

約数の個数: 32

約数和(自身を含む): 38109240

約数和(自身を除く): 22168760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 24907, 49814, 99628, 124535, 199256, 249070, 398512, 498140, 797024, 996280, 1594048, 1992560, 3188096, 3985120, 7970240, 15940480]

約数ペア:

[(1, 15940480), (2, 7970240), (4, 3985120), (5, 3188096), (8, 1992560), (10, 1594048), (16, 996280), (20, 797024), (32, 498140), (40, 398512), (64, 249070), (80, 199256), (128, 124535), (160, 99628), (320, 49814), (640, 24907)]