71416120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41521}}^1$

素因数の和:41575

約数の個数: 32

約数和(自身を含む): 164427120

約数和(自身を除く): 93011000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41521, 83042, 166084, 207605, 332168, 415210, 830420, 1660840, 1785403, 3570806, 7141612, 8927015, 14283224, 17854030, 35708060, 71416120]

約数ペア:

[(1, 71416120), (2, 35708060), (4, 17854030), (5, 14283224), (8, 8927015), (10, 7141612), (20, 3570806), (40, 1785403), (43, 1660840), (86, 830420), (172, 415210), (215, 332168), (344, 207605), (430, 166084), (860, 83042), (1720, 41521)]