80620100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73291}}^1$

素因数の和:73316

約数の個数: 36

約数和(自身を含む): 190852368

約数和(自身を除く): 110232268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 73291, 146582, 293164, 366455, 732910, 806201, 1465820, 1612402, 1832275, 3224804, 3664550, 4031005, 7329100, 8062010, 16124020, 20155025, 40310050, 80620100]

約数ペア:

[(1, 80620100), (2, 40310050), (4, 20155025), (5, 16124020), (10, 8062010), (11, 7329100), (20, 4031005), (22, 3664550), (25, 3224804), (44, 1832275), (50, 1612402), (55, 1465820), (100, 806201), (110, 732910), (220, 366455), (275, 293164), (550, 146582), (1100, 73291)]