7914640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 19998720

約数和(自身を除く): 12084080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 127, 152, 164, 190, 205, 254, 304, 328, 380, 410, 508, 635, 656, 760, 779, 820, 1016, 1270, 1520, 1558, 1640, 2032, 2413, 2540, 3116, 3280, 3895, 4826, 5080, 5207, 6232, 7790, 9652, 10160, 10414, 12065, 12464, 15580, 19304, 20828, 24130, 26035, 31160, 38608, 41656, 48260, 52070, 62320, 83312, 96520, 98933, 104140, 193040, 197866, 208280, 395732, 416560, 494665, 791464, 989330, 1582928, 1978660, 3957320, 7914640]

約数ペア:

[(1, 7914640), (2, 3957320), (4, 1978660), (5, 1582928), (8, 989330), (10, 791464), (16, 494665), (19, 416560), (20, 395732), (38, 208280), (40, 197866), (41, 193040), (76, 104140), (80, 98933), (82, 96520), (95, 83312), (127, 62320), (152, 52070), (164, 48260), (190, 41656), (205, 38608), (254, 31160), (304, 26035), (328, 24130), (380, 20828), (410, 19304), (508, 15580), (635, 12464), (656, 12065), (760, 10414), (779, 10160), (820, 9652), (1016, 7790), (1270, 6232), (1520, 5207), (1558, 5080), (1640, 4826), (2032, 3895), (2413, 3280), (2540, 3116)]