203729560

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{16067}}^1$

素因数の和:16395

約数の個数: 32

約数和(自身を含む): 459866160

約数和(自身を除く): 256136600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 16067, 32134, 64268, 80335, 128536, 160670, 321340, 642680, 5093239, 10186478, 20372956, 25466195, 40745912, 50932390, 101864780, 203729560]

約数ペア:

[(1, 203729560), (2, 101864780), (4, 50932390), (5, 40745912), (8, 25466195), (10, 20372956), (20, 10186478), (40, 5093239), (317, 642680), (634, 321340), (1268, 160670), (1585, 128536), (2536, 80335), (3170, 64268), (6340, 32134), (12680, 16067)]