201920641640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{75343523}}^1$

素因数の和:75343601

約数の個数: 32

約数和(自身を含む): 461102366880

約数和(自身を除く): 259181725240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 75343523, 150687046, 301374092, 376717615, 602748184, 753435230, 1506870460, 3013740920, 5048016041, 10096032082, 20192064164, 25240080205, 40384128328, 50480160410, 100960320820, 201920641640]

約数ペア:

[(1, 201920641640), (2, 100960320820), (4, 50480160410), (5, 40384128328), (8, 25240080205), (10, 20192064164), (20, 10096032082), (40, 5048016041), (67, 3013740920), (134, 1506870460), (268, 753435230), (335, 602748184), (536, 376717615), (670, 301374092), (1340, 150687046), (2680, 75343523)]