6880120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 16964640

約数和(自身を除く): 10084520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 131, 202, 260, 262, 404, 505, 520, 524, 655, 808, 1010, 1048, 1310, 1313, 1703, 2020, 2620, 2626, 3406, 4040, 5240, 5252, 6565, 6812, 8515, 10504, 13130, 13231, 13624, 17030, 26260, 26462, 34060, 52520, 52924, 66155, 68120, 105848, 132310, 172003, 264620, 344006, 529240, 688012, 860015, 1376024, 1720030, 3440060, 6880120]

約数ペア:

[(1, 6880120), (2, 3440060), (4, 1720030), (5, 1376024), (8, 860015), (10, 688012), (13, 529240), (20, 344006), (26, 264620), (40, 172003), (52, 132310), (65, 105848), (101, 68120), (104, 66155), (130, 52924), (131, 52520), (202, 34060), (260, 26462), (262, 26260), (404, 17030), (505, 13624), (520, 13231), (524, 13130), (655, 10504), (808, 8515), (1010, 6812), (1048, 6565), (1310, 5252), (1313, 5240), (1703, 4040), (2020, 3406), (2620, 2626)]