67624820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 146095488

約数和(自身を除く): 78470668

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 131, 212, 262, 265, 487, 524, 530, 655, 974, 1060, 1310, 1948, 2435, 2620, 4870, 6943, 9740, 13886, 25811, 27772, 34715, 51622, 63797, 69430, 103244, 127594, 129055, 138860, 255188, 258110, 318985, 516220, 637970, 1275940, 3381241, 6762482, 13524964, 16906205, 33812410, 67624820]

約数ペア:

[(1, 67624820), (2, 33812410), (4, 16906205), (5, 13524964), (10, 6762482), (20, 3381241), (53, 1275940), (106, 637970), (131, 516220), (212, 318985), (262, 258110), (265, 255188), (487, 138860), (524, 129055), (530, 127594), (655, 103244), (974, 69430), (1060, 63797), (1310, 51622), (1948, 34715), (2435, 27772), (2620, 25811), (4870, 13886), (6943, 9740)]