414080

素因数分解:

$2^7\times 5^1\times {\mathrm{647}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 991440

約数和(自身を除く): 577360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 647, 1294, 2588, 3235, 5176, 6470, 10352, 12940, 20704, 25880, 41408, 51760, 82816, 103520, 207040, 414080]

約数ペア:

[(1, 414080), (2, 207040), (4, 103520), (5, 82816), (8, 51760), (10, 41408), (16, 25880), (20, 20704), (32, 12940), (40, 10352), (64, 6470), (80, 5176), (128, 3235), (160, 2588), (320, 1294), (640, 647)]