85112840

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13553}}^1$

素因数の和:13721

約数の個数: 32

約数和(自身を含む): 192737880

約数和(自身を除く): 107625040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 13553, 27106, 54212, 67765, 108424, 135530, 271060, 542120, 2127821, 4255642, 8511284, 10639105, 17022568, 21278210, 42556420, 85112840]

約数ペア:

[(1, 85112840), (2, 42556420), (4, 21278210), (5, 17022568), (8, 10639105), (10, 8511284), (20, 4255642), (40, 2127821), (157, 542120), (314, 271060), (628, 135530), (785, 108424), (1256, 67765), (1570, 54212), (3140, 27106), (6280, 13553)]