542173640

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{26947}}^1$

素因数の和:27461

約数の個数: 32

約数和(自身を含む): 1222361280

約数和(自身を除く): 680187640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 26947, 53894, 107788, 134735, 215576, 269470, 538940, 1077880, 13554341, 27108682, 54217364, 67771705, 108434728, 135543410, 271086820, 542173640]

約数ペア:

[(1, 542173640), (2, 271086820), (4, 135543410), (5, 108434728), (8, 67771705), (10, 54217364), (20, 27108682), (40, 13554341), (503, 1077880), (1006, 538940), (2012, 269470), (2515, 215576), (4024, 134735), (5030, 107788), (10060, 53894), (20120, 26947)]