13228880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23623}}^1$

素因数の和:23643

約数の個数: 40

約数和(自身を含む): 35152512

約数和(自身を除く): 21923632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23623, 47246, 94492, 118115, 165361, 188984, 236230, 330722, 377968, 472460, 661444, 826805, 944920, 1322888, 1653610, 1889840, 2645776, 3307220, 6614440, 13228880]

約数ペア:

[(1, 13228880), (2, 6614440), (4, 3307220), (5, 2645776), (7, 1889840), (8, 1653610), (10, 1322888), (14, 944920), (16, 826805), (20, 661444), (28, 472460), (35, 377968), (40, 330722), (56, 236230), (70, 188984), (80, 165361), (112, 118115), (140, 94492), (280, 47246), (560, 23623)]