28024240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 41614160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 179, 190, 206, 304, 358, 380, 412, 515, 716, 760, 824, 895, 1030, 1432, 1520, 1648, 1790, 1957, 2060, 2864, 3401, 3580, 3914, 4120, 6802, 7160, 7828, 8240, 9785, 13604, 14320, 15656, 17005, 18437, 19570, 27208, 31312, 34010, 36874, 39140, 54416, 68020, 73748, 78280, 92185, 136040, 147496, 156560, 184370, 272080, 294992, 350303, 368740, 700606, 737480, 1401212, 1474960, 1751515, 2802424, 3503030, 5604848, 7006060, 14012120, 28024240]

約数ペア:

[(1, 28024240), (2, 14012120), (4, 7006060), (5, 5604848), (8, 3503030), (10, 2802424), (16, 1751515), (19, 1474960), (20, 1401212), (38, 737480), (40, 700606), (76, 368740), (80, 350303), (95, 294992), (103, 272080), (152, 184370), (179, 156560), (190, 147496), (206, 136040), (304, 92185), (358, 78280), (380, 73748), (412, 68020), (515, 54416), (716, 39140), (760, 36874), (824, 34010), (895, 31312), (1030, 27208), (1432, 19570), (1520, 18437), (1648, 17005), (1790, 15656), (1957, 14320), (2060, 13604), (2864, 9785), (3401, 8240), (3580, 7828), (3914, 7160), (4120, 6802)]