209314240

素因数分解:

$2^6\times 5^1\times {\mathrm{654107}}^1$

素因数の和:654124

約数の個数: 28

約数和(自身を含む): 498430296

約数和(自身を除く): 289116056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 654107, 1308214, 2616428, 3270535, 5232856, 6541070, 10465712, 13082140, 20931424, 26164280, 41862848, 52328560, 104657120, 209314240]

約数ペア:

[(1, 209314240), (2, 104657120), (4, 52328560), (5, 41862848), (8, 26164280), (10, 20931424), (16, 13082140), (20, 10465712), (32, 6541070), (40, 5232856), (64, 3270535), (80, 2616428), (160, 1308214), (320, 654107)]