40408888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3847}}^1$

素因数の和:3967

約数の個数: 32

約数和(自身を含む): 82424160

約数和(自身を除く): 42015272

約数列:

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

約数ペア:

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