854480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1$

素因数の和:995

約数の個数: 40

約数和(自身を含む): 2169504

約数和(自身を除く): 1315024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 971, 1942, 3884, 4855, 7768, 9710, 10681, 15536, 19420, 21362, 38840, 42724, 53405, 77680, 85448, 106810, 170896, 213620, 427240, 854480]

約数ペア:

[(1, 854480), (2, 427240), (4, 213620), (5, 170896), (8, 106810), (10, 85448), (11, 77680), (16, 53405), (20, 42724), (22, 38840), (40, 21362), (44, 19420), (55, 15536), (80, 10681), (88, 9710), (110, 7768), (176, 4855), (220, 3884), (440, 1942), (880, 971)]