31517050

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^2\times {\mathrm{101}}^1$

素因数の和:271

約数の個数: 36

約数和(自身を含む): 59961006

約数和(自身を除く): 28443956

約数列:

[1, 2, 5, 10, 25, 50, 79, 101, 158, 202, 395, 505, 790, 1010, 1975, 2525, 3950, 5050, 6241, 7979, 12482, 15958, 31205, 39895, 62410, 79790, 156025, 199475, 312050, 398950, 630341, 1260682, 3151705, 6303410, 15758525, 31517050]

約数ペア:

[(1, 31517050), (2, 15758525), (5, 6303410), (10, 3151705), (25, 1260682), (50, 630341), (79, 398950), (101, 312050), (158, 199475), (202, 156025), (395, 79790), (505, 62410), (790, 39895), (1010, 31205), (1975, 15958), (2525, 12482), (3950, 7979), (5050, 6241)]