2103804980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{802979}}^1$

素因数の和:803119

約数の個数: 24

約数和(自身を含む): 4451721120

約数和(自身を除く): 2347916140

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 802979, 1605958, 3211916, 4014895, 8029790, 16059580, 105190249, 210380498, 420760996, 525951245, 1051902490, 2103804980]

約数ペア:

[(1, 2103804980), (2, 1051902490), (4, 525951245), (5, 420760996), (10, 210380498), (20, 105190249), (131, 16059580), (262, 8029790), (524, 4014895), (655, 3211916), (1310, 1605958), (2620, 802979)]