16555840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:432

約数の個数: 112

約数和(自身を含む): 47548800

約数和(自身を除く): 30992960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 389, 448, 532, 560, 608, 665, 760, 778, 1064, 1120, 1216, 1330, 1520, 1556, 1945, 2128, 2240, 2660, 2723, 3040, 3112, 3890, 4256, 5320, 5446, 6080, 6224, 7391, 7780, 8512, 10640, 10892, 12448, 13615, 14782, 15560, 21280, 21784, 24896, 27230, 29564, 31120, 36955, 42560, 43568, 51737, 54460, 59128, 62240, 73910, 87136, 103474, 108920, 118256, 124480, 147820, 174272, 206948, 217840, 236512, 258685, 295640, 413896, 435680, 473024, 517370, 591280, 827792, 871360, 1034740, 1182560, 1655584, 2069480, 2365120, 3311168, 4138960, 8277920, 16555840]

約数ペア:

[(1, 16555840), (2, 8277920), (4, 4138960), (5, 3311168), (7, 2365120), (8, 2069480), (10, 1655584), (14, 1182560), (16, 1034740), (19, 871360), (20, 827792), (28, 591280), (32, 517370), (35, 473024), (38, 435680), (40, 413896), (56, 295640), (64, 258685), (70, 236512), (76, 217840), (80, 206948), (95, 174272), (112, 147820), (133, 124480), (140, 118256), (152, 108920), (160, 103474), (190, 87136), (224, 73910), (266, 62240), (280, 59128), (304, 54460), (320, 51737), (380, 43568), (389, 42560), (448, 36955), (532, 31120), (560, 29564), (608, 27230), (665, 24896), (760, 21784), (778, 21280), (1064, 15560), (1120, 14782), (1216, 13615), (1330, 12448), (1520, 10892), (1556, 10640), (1945, 8512), (2128, 7780), (2240, 7391), (2660, 6224), (2723, 6080), (3040, 5446), (3112, 5320), (3890, 4256)]