31765900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{4021}}^1$

素因数の和:4114

約数の個数: 36

約数和(自身を含む): 69821920

約数和(自身を除く): 38056020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 4021, 7900, 8042, 16084, 20105, 40210, 80420, 100525, 201050, 317659, 402100, 635318, 1270636, 1588295, 3176590, 6353180, 7941475, 15882950, 31765900]

約数ペア:

[(1, 31765900), (2, 15882950), (4, 7941475), (5, 6353180), (10, 3176590), (20, 1588295), (25, 1270636), (50, 635318), (79, 402100), (100, 317659), (158, 201050), (316, 100525), (395, 80420), (790, 40210), (1580, 20105), (1975, 16084), (3950, 8042), (4021, 7900)]