31327340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 72382464

約数和(自身を除く): 41055124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1087, 1310, 1441, 2174, 2620, 2882, 4348, 5435, 5764, 7205, 10870, 11957, 14410, 21740, 23914, 28820, 47828, 59785, 119570, 142397, 239140, 284794, 569588, 711985, 1423970, 1566367, 2847940, 3132734, 6265468, 7831835, 15663670, 31327340]

約数ペア:

[(1, 31327340), (2, 15663670), (4, 7831835), (5, 6265468), (10, 3132734), (11, 2847940), (20, 1566367), (22, 1423970), (44, 711985), (55, 569588), (110, 284794), (131, 239140), (220, 142397), (262, 119570), (524, 59785), (655, 47828), (1087, 28820), (1310, 23914), (1441, 21740), (2174, 14410), (2620, 11957), (2882, 10870), (4348, 7205), (5435, 5764)]