28116100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3559}}^1$

素因数の和:3652

約数の個数: 36

約数和(自身を含む): 61801600

約数和(自身を除く): 33685500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3559, 3950, 7118, 7900, 14236, 17795, 35590, 71180, 88975, 177950, 281161, 355900, 562322, 1124644, 1405805, 2811610, 5623220, 7029025, 14058050, 28116100]

約数ペア:

[(1, 28116100), (2, 14058050), (4, 7029025), (5, 5623220), (10, 2811610), (20, 1405805), (25, 1124644), (50, 562322), (79, 355900), (100, 281161), (158, 177950), (316, 88975), (395, 71180), (790, 35590), (1580, 17795), (1975, 14236), (3559, 7900), (3950, 7118)]