8189440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{457}}^1$

素因数の和:487

約数の個数: 80

約数和(自身を含む): 22489632

約数和(自身を除く): 14300192

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, 457, 512, 560, 640, 896, 914, 1120, 1280, 1792, 1828, 2240, 2285, 2560, 3199, 3584, 3656, 4480, 4570, 6398, 7312, 8960, 9140, 12796, 14624, 15995, 17920, 18280, 25592, 29248, 31990, 36560, 51184, 58496, 63980, 73120, 102368, 116992, 127960, 146240, 204736, 233984, 255920, 292480, 409472, 511840, 584960, 818944, 1023680, 1169920, 1637888, 2047360, 4094720, 8189440]

約数ペア:

[(1, 8189440), (2, 4094720), (4, 2047360), (5, 1637888), (7, 1169920), (8, 1023680), (10, 818944), (14, 584960), (16, 511840), (20, 409472), (28, 292480), (32, 255920), (35, 233984), (40, 204736), (56, 146240), (64, 127960), (70, 116992), (80, 102368), (112, 73120), (128, 63980), (140, 58496), (160, 51184), (224, 36560), (256, 31990), (280, 29248), (320, 25592), (448, 18280), (457, 17920), (512, 15995), (560, 14624), (640, 12796), (896, 9140), (914, 8960), (1120, 7312), (1280, 6398), (1792, 4570), (1828, 4480), (2240, 3656), (2285, 3584), (2560, 3199)]