145966840

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{5281}}^1$

素因数の和:5983

約数の個数: 32

約数和(自身を含む): 328962960

約数和(自身を除く): 182996120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5281, 5528, 6910, 10562, 13820, 21124, 26405, 27640, 42248, 52810, 105620, 211240, 3649171, 7298342, 14596684, 18245855, 29193368, 36491710, 72983420, 145966840]

約数ペア:

[(1, 145966840), (2, 72983420), (4, 36491710), (5, 29193368), (8, 18245855), (10, 14596684), (20, 7298342), (40, 3649171), (691, 211240), (1382, 105620), (2764, 52810), (3455, 42248), (5281, 27640), (5528, 26405), (6910, 21124), (10562, 13820)]