57744640

素因数分解:

$2^8\times 5^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 139625640

約数和(自身を除く): 81881000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 229, 256, 320, 394, 458, 640, 788, 916, 985, 1145, 1280, 1576, 1832, 1970, 2290, 3152, 3664, 3940, 4580, 6304, 7328, 7880, 9160, 12608, 14656, 15760, 18320, 25216, 29312, 31520, 36640, 45113, 50432, 58624, 63040, 73280, 90226, 126080, 146560, 180452, 225565, 252160, 293120, 360904, 451130, 721808, 902260, 1443616, 1804520, 2887232, 3609040, 5774464, 7218080, 11548928, 14436160, 28872320, 57744640]

約数ペア:

[(1, 57744640), (2, 28872320), (4, 14436160), (5, 11548928), (8, 7218080), (10, 5774464), (16, 3609040), (20, 2887232), (32, 1804520), (40, 1443616), (64, 902260), (80, 721808), (128, 451130), (160, 360904), (197, 293120), (229, 252160), (256, 225565), (320, 180452), (394, 146560), (458, 126080), (640, 90226), (788, 73280), (916, 63040), (985, 58624), (1145, 50432), (1280, 45113), (1576, 36640), (1832, 31520), (1970, 29312), (2290, 25216), (3152, 18320), (3664, 15760), (3940, 14656), (4580, 12608), (6304, 9160), (7328, 7880)]