8277920

素因数分解:

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

素因数の和:430

約数の個数: 96

約数和(自身を含む): 23587200

約数和(自身を除く): 15309280

約数列:

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

約数ペア:

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