40371656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20431}}^1$

素因数の和:20469

約数の個数: 32

約数和(自身を含む): 85814400

約数和(自身を除く): 45442744

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20431, 40862, 81724, 163448, 265603, 388189, 531206, 776378, 1062412, 1552756, 2124824, 3105512, 5046457, 10092914, 20185828, 40371656]

約数ペア:

[(1, 40371656), (2, 20185828), (4, 10092914), (8, 5046457), (13, 3105512), (19, 2124824), (26, 1552756), (38, 1062412), (52, 776378), (76, 531206), (104, 388189), (152, 265603), (247, 163448), (494, 81724), (988, 40862), (1976, 20431)]