27870050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 56949480

約数和(自身を除く): 29079430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 809, 1325, 1378, 1618, 2650, 3445, 4045, 6890, 8090, 10517, 17225, 20225, 21034, 34450, 40450, 42877, 52585, 85754, 105170, 214385, 262925, 428770, 525850, 557401, 1071925, 1114802, 2143850, 2787005, 5574010, 13935025, 27870050]

約数ペア:

[(1, 27870050), (2, 13935025), (5, 5574010), (10, 2787005), (13, 2143850), (25, 1114802), (26, 1071925), (50, 557401), (53, 525850), (65, 428770), (106, 262925), (130, 214385), (265, 105170), (325, 85754), (530, 52585), (650, 42877), (689, 40450), (809, 34450), (1325, 21034), (1378, 20225), (1618, 17225), (2650, 10517), (3445, 8090), (4045, 6890)]