227840

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1$

素因数の和:112

約数の個数: 40

約数和(自身を含む): 552420

約数和(自身を除く): 324580

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, 1280, 1424, 1780, 2560, 2848, 3560, 5696, 7120, 11392, 14240, 22784, 28480, 45568, 56960, 113920, 227840]

約数ペア:

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