16378880

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{457}}^1$

素因数の和:489

約数の個数: 88

約数和(自身を含む): 45001248

約数和(自身を除く): 28622368

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, 1024, 1120, 1280, 1792, 1828, 2240, 2285, 2560, 3199, 3584, 3656, 4480, 4570, 5120, 6398, 7168, 7312, 8960, 9140, 12796, 14624, 15995, 17920, 18280, 25592, 29248, 31990, 35840, 36560, 51184, 58496, 63980, 73120, 102368, 116992, 127960, 146240, 204736, 233984, 255920, 292480, 409472, 467968, 511840, 584960, 818944, 1023680, 1169920, 1637888, 2047360, 2339840, 3275776, 4094720, 8189440, 16378880]

約数ペア:

[(1, 16378880), (2, 8189440), (4, 4094720), (5, 3275776), (7, 2339840), (8, 2047360), (10, 1637888), (14, 1169920), (16, 1023680), (20, 818944), (28, 584960), (32, 511840), (35, 467968), (40, 409472), (56, 292480), (64, 255920), (70, 233984), (80, 204736), (112, 146240), (128, 127960), (140, 116992), (160, 102368), (224, 73120), (256, 63980), (280, 58496), (320, 51184), (448, 36560), (457, 35840), (512, 31990), (560, 29248), (640, 25592), (896, 18280), (914, 17920), (1024, 15995), (1120, 14624), (1280, 12796), (1792, 9140), (1828, 8960), (2240, 7312), (2285, 7168), (2560, 6398), (3199, 5120), (3584, 4570), (3656, 4480)]