40689645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1999}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 69120000

約数和(自身を除く): 28430355

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 1999, 4071, 5997, 6785, 9995, 20355, 29985, 45977, 117941, 137931, 229885, 353823, 589705, 689655, 1769115, 2712643, 8137929, 13563215, 40689645]

約数ペア:

[(1, 40689645), (3, 13563215), (5, 8137929), (15, 2712643), (23, 1769115), (59, 689655), (69, 589705), (115, 353823), (177, 229885), (295, 137931), (345, 117941), (885, 45977), (1357, 29985), (1999, 20355), (4071, 9995), (5997, 6785)]