65559940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 141668352

約数和(自身を除く): 76108412

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 127, 212, 254, 265, 487, 508, 530, 635, 974, 1060, 1270, 1948, 2435, 2540, 4870, 6731, 9740, 13462, 25811, 26924, 33655, 51622, 61849, 67310, 103244, 123698, 129055, 134620, 247396, 258110, 309245, 516220, 618490, 1236980, 3277997, 6555994, 13111988, 16389985, 32779970, 65559940]

約数ペア:

[(1, 65559940), (2, 32779970), (4, 16389985), (5, 13111988), (10, 6555994), (20, 3277997), (53, 1236980), (106, 618490), (127, 516220), (212, 309245), (254, 258110), (265, 247396), (487, 134620), (508, 129055), (530, 123698), (635, 103244), (974, 67310), (1060, 61849), (1270, 51622), (1948, 33655), (2435, 26924), (2540, 25811), (4870, 13462), (6731, 9740)]