91489460

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{2557}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 192310440

約数和(自身を除く): 100820980

約数列:

[1, 2, 4, 5, 10, 20, 1789, 2557, 3578, 5114, 7156, 8945, 10228, 12785, 17890, 25570, 35780, 51140, 4574473, 9148946, 18297892, 22872365, 45744730, 91489460]

約数ペア:

[(1, 91489460), (2, 45744730), (4, 22872365), (5, 18297892), (10, 9148946), (20, 4574473), (1789, 51140), (2557, 35780), (3578, 25570), (5114, 17890), (7156, 12785), (8945, 10228)]