81072100

素因数分解:

$2^2\times 5^2\times {\mathrm{683}}^1\times {\mathrm{1187}}^1$

素因数の和:1884

約数の個数: 36

約数和(自身を含む): 176332464

約数和(自身を除く): 95260364

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 683, 1187, 1366, 2374, 2732, 3415, 4748, 5935, 6830, 11870, 13660, 17075, 23740, 29675, 34150, 59350, 68300, 118700, 810721, 1621442, 3242884, 4053605, 8107210, 16214420, 20268025, 40536050, 81072100]

約数ペア:

[(1, 81072100), (2, 40536050), (4, 20268025), (5, 16214420), (10, 8107210), (20, 4053605), (25, 3242884), (50, 1621442), (100, 810721), (683, 118700), (1187, 68300), (1366, 59350), (2374, 34150), (2732, 29675), (3415, 23740), (4748, 17075), (5935, 13660), (6830, 11870)]