80550980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{4789}}^1$

素因数の和:4856

約数の個数: 36

約数和(自身を含む): 175227780

約数和(自身を除く): 94676800

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 4205, 4789, 8410, 9578, 16820, 19156, 23945, 47890, 95780, 138881, 277762, 555524, 694405, 1388810, 2777620, 4027549, 8055098, 16110196, 20137745, 40275490, 80550980]

約数ペア:

[(1, 80550980), (2, 40275490), (4, 20137745), (5, 16110196), (10, 8055098), (20, 4027549), (29, 2777620), (58, 1388810), (116, 694405), (145, 555524), (290, 277762), (580, 138881), (841, 95780), (1682, 47890), (3364, 23945), (4205, 19156), (4789, 16820), (8410, 9578)]