15961000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1451}}^1$

素因数の和:1483

約数の個数: 64

約数和(自身を含む): 40772160

約数和(自身を除く): 24811160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 1451, 2200, 2750, 2902, 5500, 5804, 7255, 11000, 11608, 14510, 15961, 29020, 31922, 36275, 58040, 63844, 72550, 79805, 127688, 145100, 159610, 181375, 290200, 319220, 362750, 399025, 638440, 725500, 798050, 1451000, 1596100, 1995125, 3192200, 3990250, 7980500, 15961000]

約数ペア:

[(1, 15961000), (2, 7980500), (4, 3990250), (5, 3192200), (8, 1995125), (10, 1596100), (11, 1451000), (20, 798050), (22, 725500), (25, 638440), (40, 399025), (44, 362750), (50, 319220), (55, 290200), (88, 181375), (100, 159610), (110, 145100), (125, 127688), (200, 79805), (220, 72550), (250, 63844), (275, 58040), (440, 36275), (500, 31922), (550, 29020), (1000, 15961), (1100, 14510), (1375, 11608), (1451, 11000), (2200, 7255), (2750, 5804), (2902, 5500)]