26802100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 63980280

約数和(自身を除く): 37178180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 389, 530, 650, 689, 778, 1060, 1300, 1325, 1378, 1556, 1945, 2650, 2756, 3445, 3890, 5057, 5300, 6890, 7780, 9725, 10114, 13780, 17225, 19450, 20228, 20617, 25285, 34450, 38900, 41234, 50570, 68900, 82468, 101140, 103085, 126425, 206170, 252850, 268021, 412340, 505700, 515425, 536042, 1030850, 1072084, 1340105, 2061700, 2680210, 5360420, 6700525, 13401050, 26802100]

約数ペア:

[(1, 26802100), (2, 13401050), (4, 6700525), (5, 5360420), (10, 2680210), (13, 2061700), (20, 1340105), (25, 1072084), (26, 1030850), (50, 536042), (52, 515425), (53, 505700), (65, 412340), (100, 268021), (106, 252850), (130, 206170), (212, 126425), (260, 103085), (265, 101140), (325, 82468), (389, 68900), (530, 50570), (650, 41234), (689, 38900), (778, 34450), (1060, 25285), (1300, 20617), (1325, 20228), (1378, 19450), (1556, 17225), (1945, 13780), (2650, 10114), (2756, 9725), (3445, 7780), (3890, 6890), (5057, 5300)]