455680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{89}}^1$

素因数の和:114

約数の個数: 44

約数和(自身を含む): 1105380

約数和(自身を除く): 649700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 512, 640, 712, 890, 1024, 1280, 1424, 1780, 2560, 2848, 3560, 5120, 5696, 7120, 11392, 14240, 22784, 28480, 45568, 56960, 91136, 113920, 227840, 455680]

約数ペア:

[(1, 455680), (2, 227840), (4, 113920), (5, 91136), (8, 56960), (10, 45568), (16, 28480), (20, 22784), (32, 14240), (40, 11392), (64, 7120), (80, 5696), (89, 5120), (128, 3560), (160, 2848), (178, 2560), (256, 1780), (320, 1424), (356, 1280), (445, 1024), (512, 890), (640, 712)]