80650960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77549}}^1$

素因数の和:77575

約数の個数: 40

約数和(自身を含む): 201940200

約数和(自身を除く): 121289240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 77549, 155098, 310196, 387745, 620392, 775490, 1008137, 1240784, 1550980, 2016274, 3101960, 4032548, 5040685, 6203920, 8065096, 10081370, 16130192, 20162740, 40325480, 80650960]

約数ペア:

[(1, 80650960), (2, 40325480), (4, 20162740), (5, 16130192), (8, 10081370), (10, 8065096), (13, 6203920), (16, 5040685), (20, 4032548), (26, 3101960), (40, 2016274), (52, 1550980), (65, 1240784), (80, 1008137), (104, 775490), (130, 620392), (208, 387745), (260, 310196), (520, 155098), (1040, 77549)]