2021000720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1\times {\mathrm{1093}}^1$

素因数の和:1932

約数の個数: 80

約数和(自身を含む): 4871406960

約数和(自身を除く): 2850406240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 797, 1093, 1160, 1594, 2186, 2320, 3188, 3985, 4372, 5465, 6376, 7970, 8744, 10930, 12752, 15940, 17488, 21860, 23113, 31697, 31880, 43720, 46226, 63394, 63760, 87440, 92452, 115565, 126788, 158485, 184904, 231130, 253576, 316970, 369808, 462260, 507152, 633940, 871121, 924520, 1267880, 1742242, 1849040, 2535760, 3484484, 4355605, 6968968, 8711210, 13937936, 17422420, 25262509, 34844840, 50525018, 69689680, 101050036, 126312545, 202100072, 252625090, 404200144, 505250180, 1010500360, 2021000720]

約数ペア:

[(1, 2021000720), (2, 1010500360), (4, 505250180), (5, 404200144), (8, 252625090), (10, 202100072), (16, 126312545), (20, 101050036), (29, 69689680), (40, 50525018), (58, 34844840), (80, 25262509), (116, 17422420), (145, 13937936), (232, 8711210), (290, 6968968), (464, 4355605), (580, 3484484), (797, 2535760), (1093, 1849040), (1160, 1742242), (1594, 1267880), (2186, 924520), (2320, 871121), (3188, 633940), (3985, 507152), (4372, 462260), (5465, 369808), (6376, 316970), (7970, 253576), (8744, 231130), (10930, 184904), (12752, 158485), (15940, 126788), (17488, 115565), (21860, 92452), (23113, 87440), (31697, 63760), (31880, 63394), (43720, 46226)]