508160

素因数分解:

$2^8\times 5^1\times {\mathrm{397}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 1220268

約数和(自身を除く): 712108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 397, 640, 794, 1280, 1588, 1985, 3176, 3970, 6352, 7940, 12704, 15880, 25408, 31760, 50816, 63520, 101632, 127040, 254080, 508160]

約数ペア:

[(1, 508160), (2, 254080), (4, 127040), (5, 101632), (8, 63520), (10, 50816), (16, 31760), (20, 25408), (32, 15880), (40, 12704), (64, 7940), (80, 6352), (128, 3970), (160, 3176), (256, 1985), (320, 1588), (397, 1280), (640, 794)]