84020780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{32069}}^1$

素因数の和:32209

約数の個数: 24

約数和(自身を含む): 177796080

約数和(自身を除く): 93775300

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 32069, 64138, 128276, 160345, 320690, 641380, 4201039, 8402078, 16804156, 21005195, 42010390, 84020780]

約数ペア:

[(1, 84020780), (2, 42010390), (4, 21005195), (5, 16804156), (10, 8402078), (20, 4201039), (131, 641380), (262, 320690), (524, 160345), (655, 128276), (1310, 64138), (2620, 32069)]