427520

素因数分解:

$2^9\times 5^1\times {\mathrm{167}}^1$

素因数の和:190

約数の個数: 40

約数和(自身を含む): 1031184

約数和(自身を除く): 603664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 256, 320, 334, 512, 640, 668, 835, 1280, 1336, 1670, 2560, 2672, 3340, 5344, 6680, 10688, 13360, 21376, 26720, 42752, 53440, 85504, 106880, 213760, 427520]

約数ペア:

[(1, 427520), (2, 213760), (4, 106880), (5, 85504), (8, 53440), (10, 42752), (16, 26720), (20, 21376), (32, 13360), (40, 10688), (64, 6680), (80, 5344), (128, 3340), (160, 2672), (167, 2560), (256, 1670), (320, 1336), (334, 1280), (512, 835), (640, 668)]