8758420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 20575296

約数和(自身を除く): 11816876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 971, 1804, 1942, 2255, 3884, 4510, 4855, 9020, 9710, 10681, 19420, 21362, 39811, 42724, 53405, 79622, 106810, 159244, 199055, 213620, 398110, 437921, 796220, 875842, 1751684, 2189605, 4379210, 8758420]

約数ペア:

[(1, 8758420), (2, 4379210), (4, 2189605), (5, 1751684), (10, 875842), (11, 796220), (20, 437921), (22, 398110), (41, 213620), (44, 199055), (55, 159244), (82, 106810), (110, 79622), (164, 53405), (205, 42724), (220, 39811), (410, 21362), (451, 19420), (820, 10681), (902, 9710), (971, 9020), (1804, 4855), (1942, 4510), (2255, 3884)]