126400

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1$

素因数の和:101

約数の個数: 42

約数和(自身を含む): 314960

約数和(自身を除く): 188560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 632, 790, 800, 1264, 1580, 1600, 1975, 2528, 3160, 3950, 5056, 6320, 7900, 12640, 15800, 25280, 31600, 63200, 126400]

約数ペア:

[(1, 126400), (2, 63200), (4, 31600), (5, 25280), (8, 15800), (10, 12640), (16, 7900), (20, 6320), (25, 5056), (32, 3950), (40, 3160), (50, 2528), (64, 1975), (79, 1600), (80, 1580), (100, 1264), (158, 800), (160, 790), (200, 632), (316, 400), (320, 395)]