40027240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90971}}^1$

素因数の和:90993

約数の個数: 32

約数和(自身を含む): 98249760

約数和(自身を除く): 58222520

約数列:

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

約数ペア:

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