20145552050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{11299}}^1$

素因数の和:11548

約数の個数: 72

約数和(自身を含む): 40770716400

約数和(自身を除く): 20625164350

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 211, 325, 338, 422, 650, 845, 1055, 1690, 2110, 2743, 4225, 5275, 5486, 8450, 10550, 11299, 13715, 22598, 27430, 35659, 56495, 68575, 71318, 112990, 137150, 146887, 178295, 282475, 293774, 356590, 564950, 734435, 891475, 1468870, 1782950, 1909531, 2384089, 3672175, 3819062, 4768178, 7344350, 9547655, 11920445, 19095310, 23840890, 30993157, 47738275, 59602225, 61986314, 95476550, 119204450, 154965785, 309931570, 402911041, 774828925, 805822082, 1549657850, 2014555205, 4029110410, 10072776025, 20145552050]

約数ペア:

[(1, 20145552050), (2, 10072776025), (5, 4029110410), (10, 2014555205), (13, 1549657850), (25, 805822082), (26, 774828925), (50, 402911041), (65, 309931570), (130, 154965785), (169, 119204450), (211, 95476550), (325, 61986314), (338, 59602225), (422, 47738275), (650, 30993157), (845, 23840890), (1055, 19095310), (1690, 11920445), (2110, 9547655), (2743, 7344350), (4225, 4768178), (5275, 3819062), (5486, 3672175), (8450, 2384089), (10550, 1909531), (11299, 1782950), (13715, 1468870), (22598, 891475), (27430, 734435), (35659, 564950), (56495, 356590), (68575, 293774), (71318, 282475), (112990, 178295), (137150, 146887)]