826006780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{30983}}^1$

素因数の和:31066

約数の個数: 48

約数和(自身を含む): 1832269824

約数和(自身を除く): 1006263044

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 13330, 26660, 30983, 61966, 123932, 154915, 309830, 619660, 960473, 1332269, 1920946, 2664538, 3841892, 4802365, 5329076, 6661345, 9604730, 13322690, 19209460, 26645380, 41300339, 82600678, 165201356, 206501695, 413003390, 826006780]

約数ペア:

[(1, 826006780), (2, 413003390), (4, 206501695), (5, 165201356), (10, 82600678), (20, 41300339), (31, 26645380), (43, 19209460), (62, 13322690), (86, 9604730), (124, 6661345), (155, 5329076), (172, 4802365), (215, 3841892), (310, 2664538), (430, 1920946), (620, 1332269), (860, 960473), (1333, 619660), (2666, 309830), (5332, 154915), (6665, 123932), (13330, 61966), (26660, 30983)]