18179840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2029}}^1$

素因数の和:2057

約数の個数: 72

約数和(自身を含む): 49791840

約数和(自身を除く): 31612000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2029, 2240, 4058, 4480, 8116, 8960, 10145, 14203, 16232, 20290, 28406, 32464, 40580, 56812, 64928, 71015, 81160, 113624, 129856, 142030, 162320, 227248, 259712, 284060, 324640, 454496, 519424, 568120, 649280, 908992, 1136240, 1298560, 1817984, 2272480, 2597120, 3635968, 4544960, 9089920, 18179840]

約数ペア:

[(1, 18179840), (2, 9089920), (4, 4544960), (5, 3635968), (7, 2597120), (8, 2272480), (10, 1817984), (14, 1298560), (16, 1136240), (20, 908992), (28, 649280), (32, 568120), (35, 519424), (40, 454496), (56, 324640), (64, 284060), (70, 259712), (80, 227248), (112, 162320), (128, 142030), (140, 129856), (160, 113624), (224, 81160), (256, 71015), (280, 64928), (320, 56812), (448, 40580), (560, 32464), (640, 28406), (896, 20290), (1120, 16232), (1280, 14203), (1792, 10145), (2029, 8960), (2240, 8116), (4058, 4480)]