15989000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 38188800

約数和(自身を除く): 22199800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 200, 236, 250, 271, 295, 472, 500, 542, 590, 1000, 1084, 1180, 1355, 1475, 2168, 2360, 2710, 2950, 5420, 5900, 6775, 7375, 10840, 11800, 13550, 14750, 15989, 27100, 29500, 31978, 33875, 54200, 59000, 63956, 67750, 79945, 127912, 135500, 159890, 271000, 319780, 399725, 639560, 799450, 1598900, 1998625, 3197800, 3997250, 7994500, 15989000]

約数ペア:

[(1, 15989000), (2, 7994500), (4, 3997250), (5, 3197800), (8, 1998625), (10, 1598900), (20, 799450), (25, 639560), (40, 399725), (50, 319780), (59, 271000), (100, 159890), (118, 135500), (125, 127912), (200, 79945), (236, 67750), (250, 63956), (271, 59000), (295, 54200), (472, 33875), (500, 31978), (542, 29500), (590, 27100), (1000, 15989), (1084, 14750), (1180, 13550), (1355, 11800), (1475, 10840), (2168, 7375), (2360, 6775), (2710, 5900), (2950, 5420)]