1720347850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{4129}}^1$

素因数の和:4795

約数の個数: 48

約数和(自身を含む): 3452200920

約数和(自身を除く): 1731853070

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 641, 650, 1282, 3205, 4129, 6410, 8258, 8333, 16025, 16666, 20645, 32050, 41290, 41665, 53677, 83330, 103225, 107354, 206450, 208325, 268385, 416650, 536770, 1341925, 2646689, 2683850, 5293378, 13233445, 26466890, 34406957, 66167225, 68813914, 132334450, 172034785, 344069570, 860173925, 1720347850]

約数ペア:

[(1, 1720347850), (2, 860173925), (5, 344069570), (10, 172034785), (13, 132334450), (25, 68813914), (26, 66167225), (50, 34406957), (65, 26466890), (130, 13233445), (325, 5293378), (641, 2683850), (650, 2646689), (1282, 1341925), (3205, 536770), (4129, 416650), (6410, 268385), (8258, 208325), (8333, 206450), (16025, 107354), (16666, 103225), (20645, 83330), (32050, 53677), (41290, 41665)]