28969340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11057}}^1$

素因数の和:11197

約数の個数: 24

約数和(自身を含む): 61305552

約数和(自身を除く): 32336212

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 11057, 22114, 44228, 55285, 110570, 221140, 1448467, 2896934, 5793868, 7242335, 14484670, 28969340]

約数ペア:

[(1, 28969340), (2, 14484670), (4, 7242335), (5, 5793868), (10, 2896934), (20, 1448467), (131, 221140), (262, 110570), (524, 55285), (655, 44228), (1310, 22114), (2620, 11057)]