205691840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37811}}^1$

素因数の和:37845

約数の個数: 56

約数和(自身を含む): 518629392

約数和(自身を除く): 312937552

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 37811, 75622, 151244, 189055, 302488, 378110, 604976, 642787, 756220, 1209952, 1285574, 1512440, 2419904, 2571148, 3024880, 3213935, 5142296, 6049760, 6427870, 10284592, 12099520, 12855740, 20569184, 25711480, 41138368, 51422960, 102845920, 205691840]

約数ペア:

[(1, 205691840), (2, 102845920), (4, 51422960), (5, 41138368), (8, 25711480), (10, 20569184), (16, 12855740), (17, 12099520), (20, 10284592), (32, 6427870), (34, 6049760), (40, 5142296), (64, 3213935), (68, 3024880), (80, 2571148), (85, 2419904), (136, 1512440), (160, 1285574), (170, 1209952), (272, 756220), (320, 642787), (340, 604976), (544, 378110), (680, 302488), (1088, 189055), (1360, 151244), (2720, 75622), (5440, 37811)]