11915420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 27984096

約数和(自身を除く): 16068676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1321, 1804, 2255, 2642, 4510, 5284, 6605, 9020, 13210, 14531, 26420, 29062, 54161, 58124, 72655, 108322, 145310, 216644, 270805, 290620, 541610, 595771, 1083220, 1191542, 2383084, 2978855, 5957710, 11915420]

約数ペア:

[(1, 11915420), (2, 5957710), (4, 2978855), (5, 2383084), (10, 1191542), (11, 1083220), (20, 595771), (22, 541610), (41, 290620), (44, 270805), (55, 216644), (82, 145310), (110, 108322), (164, 72655), (205, 58124), (220, 54161), (410, 29062), (451, 26420), (820, 14531), (902, 13210), (1321, 9020), (1804, 6605), (2255, 5284), (2642, 4510)]