421526720

素因数分解:

$2^6\times 5^1\times {\mathrm{1317271}}^1$

素因数の和:1317288

約数の個数: 28

約数和(自身を含む): 1003761264

約数和(自身を除く): 582234544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1317271, 2634542, 5269084, 6586355, 10538168, 13172710, 21076336, 26345420, 42152672, 52690840, 84305344, 105381680, 210763360, 421526720]

約数ペア:

[(1, 421526720), (2, 210763360), (4, 105381680), (5, 84305344), (8, 52690840), (10, 42152672), (16, 26345420), (20, 21076336), (32, 13172710), (40, 10538168), (64, 6586355), (80, 5269084), (160, 2634542), (320, 1317271)]