38326640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 98431200

約数和(自身を除く): 60104560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 449, 485, 776, 880, 898, 970, 1067, 1552, 1796, 1940, 2134, 2245, 3592, 3880, 4268, 4490, 4939, 5335, 7184, 7760, 8536, 8980, 9878, 10670, 17072, 17960, 19756, 21340, 24695, 35920, 39512, 42680, 43553, 49390, 79024, 85360, 87106, 98780, 174212, 197560, 217765, 348424, 395120, 435530, 479083, 696848, 871060, 958166, 1742120, 1916332, 2395415, 3484240, 3832664, 4790830, 7665328, 9581660, 19163320, 38326640]

約数ペア:

[(1, 38326640), (2, 19163320), (4, 9581660), (5, 7665328), (8, 4790830), (10, 3832664), (11, 3484240), (16, 2395415), (20, 1916332), (22, 1742120), (40, 958166), (44, 871060), (55, 696848), (80, 479083), (88, 435530), (97, 395120), (110, 348424), (176, 217765), (194, 197560), (220, 174212), (388, 98780), (440, 87106), (449, 85360), (485, 79024), (776, 49390), (880, 43553), (898, 42680), (970, 39512), (1067, 35920), (1552, 24695), (1796, 21340), (1940, 19756), (2134, 17960), (2245, 17072), (3592, 10670), (3880, 9878), (4268, 8980), (4490, 8536), (4939, 7760), (5335, 7184)]