20161749040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4271557}}^1$

素因数の和:4271629

約数の個数: 40

約数和(自身を含む): 47670587280

約数和(自身を除く): 27508838240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 4271557, 8543114, 17086228, 21357785, 34172456, 42715570, 68344912, 85431140, 170862280, 252021863, 341724560, 504043726, 1008087452, 1260109315, 2016174904, 2520218630, 4032349808, 5040437260, 10080874520, 20161749040]

約数ペア:

[(1, 20161749040), (2, 10080874520), (4, 5040437260), (5, 4032349808), (8, 2520218630), (10, 2016174904), (16, 1260109315), (20, 1008087452), (40, 504043726), (59, 341724560), (80, 252021863), (118, 170862280), (236, 85431140), (295, 68344912), (472, 42715570), (590, 34172456), (944, 21357785), (1180, 17086228), (2360, 8543114), (4720, 4271557)]