20147127760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1\times {\mathrm{8543}}^1$

素因数の和:9316

約数の個数: 80

約数和(自身を含む): 48056924160

約数和(自身を除く): 27909796400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 719, 820, 1438, 1640, 2876, 3280, 3595, 5752, 7190, 8543, 11504, 14380, 17086, 28760, 29479, 34172, 42715, 57520, 58958, 68344, 85430, 117916, 136688, 147395, 170860, 235832, 294790, 341720, 350263, 471664, 589580, 683440, 700526, 1179160, 1401052, 1751315, 2358320, 2802104, 3502630, 5604208, 6142417, 7005260, 12284834, 14010520, 24569668, 28021040, 30712085, 49139336, 61424170, 98278672, 122848340, 245696680, 251839097, 491393360, 503678194, 1007356388, 1259195485, 2014712776, 2518390970, 4029425552, 5036781940, 10073563880, 20147127760]

約数ペア:

[(1, 20147127760), (2, 10073563880), (4, 5036781940), (5, 4029425552), (8, 2518390970), (10, 2014712776), (16, 1259195485), (20, 1007356388), (40, 503678194), (41, 491393360), (80, 251839097), (82, 245696680), (164, 122848340), (205, 98278672), (328, 61424170), (410, 49139336), (656, 30712085), (719, 28021040), (820, 24569668), (1438, 14010520), (1640, 12284834), (2876, 7005260), (3280, 6142417), (3595, 5604208), (5752, 3502630), (7190, 2802104), (8543, 2358320), (11504, 1751315), (14380, 1401052), (17086, 1179160), (28760, 700526), (29479, 683440), (34172, 589580), (42715, 471664), (57520, 350263), (58958, 341720), (68344, 294790), (85430, 235832), (117916, 170860), (136688, 147395)]