91189240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53017}}^1$

素因数の和:53071

約数の個数: 32

約数和(自身を含む): 209951280

約数和(自身を除く): 118762040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 53017, 106034, 212068, 265085, 424136, 530170, 1060340, 2120680, 2279731, 4559462, 9118924, 11398655, 18237848, 22797310, 45594620, 91189240]

約数ペア:

[(1, 91189240), (2, 45594620), (4, 22797310), (5, 18237848), (8, 11398655), (10, 9118924), (20, 4559462), (40, 2279731), (43, 2120680), (86, 1060340), (172, 530170), (215, 424136), (344, 265085), (430, 212068), (860, 106034), (1720, 53017)]