200215040

素因数分解:

$2^9\times 5^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:617

約数の個数: 80

約数和(自身を含む): 483698952

約数和(自身を除く): 283483912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 320, 394, 397, 512, 640, 788, 794, 985, 1280, 1576, 1588, 1970, 1985, 2560, 3152, 3176, 3940, 3970, 6304, 6352, 7880, 7940, 12608, 12704, 15760, 15880, 25216, 25408, 31520, 31760, 50432, 50816, 63040, 63520, 78209, 100864, 101632, 126080, 127040, 156418, 203264, 252160, 254080, 312836, 391045, 504320, 508160, 625672, 782090, 1016320, 1251344, 1564180, 2502688, 3128360, 5005376, 6256720, 10010752, 12513440, 20021504, 25026880, 40043008, 50053760, 100107520, 200215040]

約数ペア:

[(1, 200215040), (2, 100107520), (4, 50053760), (5, 40043008), (8, 25026880), (10, 20021504), (16, 12513440), (20, 10010752), (32, 6256720), (40, 5005376), (64, 3128360), (80, 2502688), (128, 1564180), (160, 1251344), (197, 1016320), (256, 782090), (320, 625672), (394, 508160), (397, 504320), (512, 391045), (640, 312836), (788, 254080), (794, 252160), (985, 203264), (1280, 156418), (1576, 127040), (1588, 126080), (1970, 101632), (1985, 100864), (2560, 78209), (3152, 63520), (3176, 63040), (3940, 50816), (3970, 50432), (6304, 31760), (6352, 31520), (7880, 25408), (7940, 25216), (12608, 15880), (12704, 15760)]