1640800475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{6691}}^1$

素因数の和:7295

約数の個数: 24

約数和(自身を含む): 2158330608

約数和(自身を除く): 517530133

約数列:

[1, 5, 17, 25, 85, 425, 577, 2885, 6691, 9809, 14425, 33455, 49045, 113747, 167275, 245225, 568735, 2843675, 3860707, 19303535, 65632019, 96517675, 328160095, 1640800475]

約数ペア:

[(1, 1640800475), (5, 328160095), (17, 96517675), (25, 65632019), (85, 19303535), (425, 3860707), (577, 2843675), (2885, 568735), (6691, 245225), (9809, 167275), (14425, 113747), (33455, 49045)]