56641420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3259}}^1$

素因数の和:3358

約数の個数: 48

約数和(自身を含む): 131443200

約数和(自身を除く): 74801780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3259, 3476, 4345, 6518, 8690, 13036, 16295, 17380, 32590, 35849, 65180, 71698, 143396, 179245, 257461, 358490, 514922, 716980, 1029844, 1287305, 2574610, 2832071, 5149220, 5664142, 11328284, 14160355, 28320710, 56641420]

約数ペア:

[(1, 56641420), (2, 28320710), (4, 14160355), (5, 11328284), (10, 5664142), (11, 5149220), (20, 2832071), (22, 2574610), (44, 1287305), (55, 1029844), (79, 716980), (110, 514922), (158, 358490), (220, 257461), (316, 179245), (395, 143396), (790, 71698), (869, 65180), (1580, 35849), (1738, 32590), (3259, 17380), (3476, 16295), (4345, 13036), (6518, 8690)]