72031880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41879}}^1$

素因数の和:41933

約数の個数: 32

約数和(自身を含む): 165844800

約数和(自身を除く): 93812920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41879, 83758, 167516, 209395, 335032, 418790, 837580, 1675160, 1800797, 3601594, 7203188, 9003985, 14406376, 18007970, 36015940, 72031880]

約数ペア:

[(1, 72031880), (2, 36015940), (4, 18007970), (5, 14406376), (8, 9003985), (10, 7203188), (20, 3601594), (40, 1800797), (43, 1675160), (86, 837580), (172, 418790), (215, 335032), (344, 209395), (430, 167516), (860, 83758), (1720, 41879)]