27520480

素因数分解:

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

素因数の和:260

約数の個数: 96

約数和(自身を含む): 71251488

約数和(自身を除く): 43731008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 101, 104, 130, 131, 160, 202, 208, 260, 262, 404, 416, 505, 520, 524, 655, 808, 1010, 1040, 1048, 1310, 1313, 1616, 1703, 2020, 2080, 2096, 2620, 2626, 3232, 3406, 4040, 4192, 5240, 5252, 6565, 6812, 8080, 8515, 10480, 10504, 13130, 13231, 13624, 16160, 17030, 20960, 21008, 26260, 26462, 27248, 34060, 42016, 52520, 52924, 54496, 66155, 68120, 105040, 105848, 132310, 136240, 172003, 210080, 211696, 264620, 272480, 344006, 423392, 529240, 688012, 860015, 1058480, 1376024, 1720030, 2116960, 2752048, 3440060, 5504096, 6880120, 13760240, 27520480]

約数ペア:

[(1, 27520480), (2, 13760240), (4, 6880120), (5, 5504096), (8, 3440060), (10, 2752048), (13, 2116960), (16, 1720030), (20, 1376024), (26, 1058480), (32, 860015), (40, 688012), (52, 529240), (65, 423392), (80, 344006), (101, 272480), (104, 264620), (130, 211696), (131, 210080), (160, 172003), (202, 136240), (208, 132310), (260, 105848), (262, 105040), (404, 68120), (416, 66155), (505, 54496), (520, 52924), (524, 52520), (655, 42016), (808, 34060), (1010, 27248), (1040, 26462), (1048, 26260), (1310, 21008), (1313, 20960), (1616, 17030), (1703, 16160), (2020, 13624), (2080, 13231), (2096, 13130), (2620, 10504), (2626, 10480), (3232, 8515), (3406, 8080), (4040, 6812), (4192, 6565), (5240, 5252)]