77118820

素因数分解:

$2^2\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{2141}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 162115128

約数和(自身を除く): 84996308

約数列:

[1, 2, 4, 5, 10, 20, 1801, 2141, 3602, 4282, 7204, 8564, 9005, 10705, 18010, 21410, 36020, 42820, 3855941, 7711882, 15423764, 19279705, 38559410, 77118820]

約数ペア:

[(1, 77118820), (2, 38559410), (4, 19279705), (5, 15423764), (10, 7711882), (20, 3855941), (1801, 42820), (2141, 36020), (3602, 21410), (4282, 18010), (7204, 10705), (8564, 9005)]