40565408

素因数分解:

$2^5\times {\mathrm{13}}^3\times {\mathrm{577}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 86665320

約数和(自身を除く): 46099912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 577, 676, 1154, 1352, 2197, 2308, 2704, 4394, 4616, 5408, 7501, 8788, 9232, 15002, 17576, 18464, 30004, 35152, 60008, 70304, 97513, 120016, 195026, 240032, 390052, 780104, 1267669, 1560208, 2535338, 3120416, 5070676, 10141352, 20282704, 40565408]

約数ペア:

[(1, 40565408), (2, 20282704), (4, 10141352), (8, 5070676), (13, 3120416), (16, 2535338), (26, 1560208), (32, 1267669), (52, 780104), (104, 390052), (169, 240032), (208, 195026), (338, 120016), (416, 97513), (577, 70304), (676, 60008), (1154, 35152), (1352, 30004), (2197, 18464), (2308, 17576), (2704, 15002), (4394, 9232), (4616, 8788), (5408, 7501)]