31600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1$

素因数の和:97

約数の個数: 30

約数和(自身を含む): 76880

約数和(自身を除く): 45280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3950, 6320, 7900, 15800, 31600]

約数ペア:

[(1, 31600), (2, 15800), (4, 7900), (5, 6320), (8, 3950), (10, 3160), (16, 1975), (20, 1580), (25, 1264), (40, 790), (50, 632), (79, 400), (80, 395), (100, 316), (158, 200)]