2109604880

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{393583}}^1$

素因数の和:393663

約数の個数: 40

約数和(自身を含む): 4978050432

約数和(自身を除く): 2868445552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 393583, 787166, 1574332, 1967915, 3148664, 3935830, 6297328, 7871660, 15743320, 26370061, 31486640, 52740122, 105480244, 131850305, 210960488, 263700610, 421920976, 527401220, 1054802440, 2109604880]

約数ペア:

[(1, 2109604880), (2, 1054802440), (4, 527401220), (5, 421920976), (8, 263700610), (10, 210960488), (16, 131850305), (20, 105480244), (40, 52740122), (67, 31486640), (80, 26370061), (134, 15743320), (268, 7871660), (335, 6297328), (536, 3935830), (670, 3148664), (1072, 1967915), (1340, 1574332), (2680, 787166), (5360, 393583)]