4049920

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{113}}^1$

素因数の和:145

約数の個数: 88

約数和(自身を含む): 11201184

約数和(自身を除く): 7151264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 128, 140, 160, 224, 226, 256, 280, 320, 448, 452, 512, 560, 565, 640, 791, 896, 904, 1024, 1120, 1130, 1280, 1582, 1792, 1808, 2240, 2260, 2560, 3164, 3584, 3616, 3955, 4480, 4520, 5120, 6328, 7168, 7232, 7910, 8960, 9040, 12656, 14464, 15820, 17920, 18080, 25312, 28928, 31640, 35840, 36160, 50624, 57856, 63280, 72320, 101248, 115712, 126560, 144640, 202496, 253120, 289280, 404992, 506240, 578560, 809984, 1012480, 2024960, 4049920]

約数ペア:

[(1, 4049920), (2, 2024960), (4, 1012480), (5, 809984), (7, 578560), (8, 506240), (10, 404992), (14, 289280), (16, 253120), (20, 202496), (28, 144640), (32, 126560), (35, 115712), (40, 101248), (56, 72320), (64, 63280), (70, 57856), (80, 50624), (112, 36160), (113, 35840), (128, 31640), (140, 28928), (160, 25312), (224, 18080), (226, 17920), (256, 15820), (280, 14464), (320, 12656), (448, 9040), (452, 8960), (512, 7910), (560, 7232), (565, 7168), (640, 6328), (791, 5120), (896, 4520), (904, 4480), (1024, 3955), (1120, 3616), (1130, 3584), (1280, 3164), (1582, 2560), (1792, 2260), (1808, 2240)]