4955990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 9767520

約数和(自身を除く): 4811530

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 569, 670, 871, 1138, 1742, 2845, 4355, 5690, 7397, 8710, 14794, 36985, 38123, 73970, 76246, 190615, 381230, 495599, 991198, 2477995, 4955990]

約数ペア:

[(1, 4955990), (2, 2477995), (5, 991198), (10, 495599), (13, 381230), (26, 190615), (65, 76246), (67, 73970), (130, 38123), (134, 36985), (335, 14794), (569, 8710), (670, 7397), (871, 5690), (1138, 4355), (1742, 2845)]