208068880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{26813}}^1$

素因数の和:26923

約数の個数: 40

約数和(自身を含む): 488765592

約数和(自身を除く): 280696712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 26813, 53626, 107252, 134065, 214504, 268130, 429008, 536260, 1072520, 2145040, 2600861, 5201722, 10403444, 13004305, 20806888, 26008610, 41613776, 52017220, 104034440, 208068880]

約数ペア:

[(1, 208068880), (2, 104034440), (4, 52017220), (5, 41613776), (8, 26008610), (10, 20806888), (16, 13004305), (20, 10403444), (40, 5201722), (80, 2600861), (97, 2145040), (194, 1072520), (388, 536260), (485, 429008), (776, 268130), (970, 214504), (1552, 134065), (1940, 107252), (3880, 53626), (7760, 26813)]