80019664

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{13931}}^1$

素因数の和:14298

約数の個数: 20

約数和(自身を含む): 155481120

約数和(自身を除く): 75461456

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 5744, 13931, 27862, 55724, 111448, 222896, 5001229, 10002458, 20004916, 40009832, 80019664]

約数ペア:

[(1, 80019664), (2, 40009832), (4, 20004916), (8, 10002458), (16, 5001229), (359, 222896), (718, 111448), (1436, 55724), (2872, 27862), (5744, 13931)]