80054480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90971}}^1$

素因数の和:90995

約数の個数: 40

約数和(自身を含む): 203049504

約数和(自身を除く): 122995024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 90971, 181942, 363884, 454855, 727768, 909710, 1000681, 1455536, 1819420, 2001362, 3638840, 4002724, 5003405, 7277680, 8005448, 10006810, 16010896, 20013620, 40027240, 80054480]

約数ペア:

[(1, 80054480), (2, 40027240), (4, 20013620), (5, 16010896), (8, 10006810), (10, 8005448), (11, 7277680), (16, 5003405), (20, 4002724), (22, 3638840), (40, 2001362), (44, 1819420), (55, 1455536), (80, 1000681), (88, 909710), (110, 727768), (176, 454855), (220, 363884), (440, 181942), (880, 90971)]