82711420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4759}}^1$

素因数の和:4858

約数の個数: 48

約数和(自身を含む): 191923200

約数和(自身を除く): 109211780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 4759, 8690, 9518, 17380, 19036, 23795, 47590, 52349, 95180, 104698, 209396, 261745, 375961, 523490, 751922, 1046980, 1503844, 1879805, 3759610, 4135571, 7519220, 8271142, 16542284, 20677855, 41355710, 82711420]

約数ペア:

[(1, 82711420), (2, 41355710), (4, 20677855), (5, 16542284), (10, 8271142), (11, 7519220), (20, 4135571), (22, 3759610), (44, 1879805), (55, 1503844), (79, 1046980), (110, 751922), (158, 523490), (220, 375961), (316, 261745), (395, 209396), (790, 104698), (869, 95180), (1580, 52349), (1738, 47590), (3476, 23795), (4345, 19036), (4759, 17380), (8690, 9518)]