40216960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 112803840

約数和(自身を除く): 72586880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 191, 224, 235, 280, 320, 329, 376, 382, 448, 470, 560, 640, 658, 752, 764, 896, 940, 955, 1120, 1316, 1337, 1504, 1528, 1645, 1880, 1910, 2240, 2632, 2674, 3008, 3056, 3290, 3760, 3820, 4480, 5264, 5348, 6016, 6112, 6580, 6685, 7520, 7640, 8977, 10528, 10696, 12224, 13160, 13370, 15040, 15280, 17954, 21056, 21392, 24448, 26320, 26740, 30080, 30560, 35908, 42112, 42784, 44885, 52640, 53480, 61120, 62839, 71816, 85568, 89770, 105280, 106960, 122240, 125678, 143632, 171136, 179540, 210560, 213920, 251356, 287264, 314195, 359080, 427840, 502712, 574528, 628390, 718160, 855680, 1005424, 1149056, 1256780, 1436320, 2010848, 2513560, 2872640, 4021696, 5027120, 5745280, 8043392, 10054240, 20108480, 40216960]

約数ペア:

[(1, 40216960), (2, 20108480), (4, 10054240), (5, 8043392), (7, 5745280), (8, 5027120), (10, 4021696), (14, 2872640), (16, 2513560), (20, 2010848), (28, 1436320), (32, 1256780), (35, 1149056), (40, 1005424), (47, 855680), (56, 718160), (64, 628390), (70, 574528), (80, 502712), (94, 427840), (112, 359080), (128, 314195), (140, 287264), (160, 251356), (188, 213920), (191, 210560), (224, 179540), (235, 171136), (280, 143632), (320, 125678), (329, 122240), (376, 106960), (382, 105280), (448, 89770), (470, 85568), (560, 71816), (640, 62839), (658, 61120), (752, 53480), (764, 52640), (896, 44885), (940, 42784), (955, 42112), (1120, 35908), (1316, 30560), (1337, 30080), (1504, 26740), (1528, 26320), (1645, 24448), (1880, 21392), (1910, 21056), (2240, 17954), (2632, 15280), (2674, 15040), (3008, 13370), (3056, 13160), (3290, 12224), (3760, 10696), (3820, 10528), (4480, 8977), (5264, 7640), (5348, 7520), (6016, 6685), (6112, 6580)]