89712920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4973}}^1$

素因数の和:5036

約数の個数: 64

約数和(自身を含む): 225620640

約数和(自身を除く): 135907720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 4973, 9020, 9946, 18040, 19892, 24865, 39784, 49730, 54703, 99460, 109406, 198920, 203893, 218812, 273515, 407786, 437624, 547030, 815572, 1019465, 1094060, 1631144, 2038930, 2188120, 2242823, 4077860, 4485646, 8155720, 8971292, 11214115, 17942584, 22428230, 44856460, 89712920]

約数ペア:

[(1, 89712920), (2, 44856460), (4, 22428230), (5, 17942584), (8, 11214115), (10, 8971292), (11, 8155720), (20, 4485646), (22, 4077860), (40, 2242823), (41, 2188120), (44, 2038930), (55, 1631144), (82, 1094060), (88, 1019465), (110, 815572), (164, 547030), (205, 437624), (220, 407786), (328, 273515), (410, 218812), (440, 203893), (451, 198920), (820, 109406), (902, 99460), (1640, 54703), (1804, 49730), (2255, 39784), (3608, 24865), (4510, 19892), (4973, 18040), (9020, 9946)]