87922840

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{3181}}^1$

素因数の和:3883

約数の個数: 32

約数和(自身を含む): 198174960

約数和(自身を除く): 110252120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3181, 3455, 5528, 6362, 6910, 12724, 13820, 15905, 25448, 27640, 31810, 63620, 127240, 2198071, 4396142, 8792284, 10990355, 17584568, 21980710, 43961420, 87922840]

約数ペア:

[(1, 87922840), (2, 43961420), (4, 21980710), (5, 17584568), (8, 10990355), (10, 8792284), (20, 4396142), (40, 2198071), (691, 127240), (1382, 63620), (2764, 31810), (3181, 27640), (3455, 25448), (5528, 15905), (6362, 13820), (6910, 12724)]