39812840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 93139200

約数和(自身を除く): 53326360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 293, 316, 344, 395, 430, 586, 632, 790, 860, 1172, 1465, 1580, 1720, 2344, 2930, 3160, 3397, 5860, 6794, 11720, 12599, 13588, 16985, 23147, 25198, 27176, 33970, 46294, 50396, 62995, 67940, 92588, 100792, 115735, 125990, 135880, 185176, 231470, 251980, 462940, 503960, 925880, 995321, 1990642, 3981284, 4976605, 7962568, 9953210, 19906420, 39812840]

約数ペア:

[(1, 39812840), (2, 19906420), (4, 9953210), (5, 7962568), (8, 4976605), (10, 3981284), (20, 1990642), (40, 995321), (43, 925880), (79, 503960), (86, 462940), (158, 251980), (172, 231470), (215, 185176), (293, 135880), (316, 125990), (344, 115735), (395, 100792), (430, 92588), (586, 67940), (632, 62995), (790, 50396), (860, 46294), (1172, 33970), (1465, 27176), (1580, 25198), (1720, 23147), (2344, 16985), (2930, 13588), (3160, 12599), (3397, 11720), (5860, 6794)]