1275940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 2705472

約数和(自身を除く): 1429532

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 487, 524, 655, 974, 1310, 1948, 2435, 2620, 4870, 9740, 63797, 127594, 255188, 318985, 637970, 1275940]

約数ペア:

[(1, 1275940), (2, 637970), (4, 318985), (5, 255188), (10, 127594), (20, 63797), (131, 9740), (262, 4870), (487, 2620), (524, 2435), (655, 1948), (974, 1310)]