80817776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3847}}^1$

素因数の和:3969

約数の個数: 40

約数和(自身を含む): 170343264

約数和(自身を除く): 89525488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 3847, 5252, 7694, 10504, 15388, 21008, 30776, 50011, 61552, 100022, 200044, 388547, 400088, 777094, 800176, 1554188, 3108376, 5051111, 6216752, 10102222, 20204444, 40408888, 80817776]

約数ペア:

[(1, 80817776), (2, 40408888), (4, 20204444), (8, 10102222), (13, 6216752), (16, 5051111), (26, 3108376), (52, 1554188), (101, 800176), (104, 777094), (202, 400088), (208, 388547), (404, 200044), (808, 100022), (1313, 61552), (1616, 50011), (2626, 30776), (3847, 21008), (5252, 15388), (7694, 10504)]