4006770140

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{504631}}^1$

素因数の和:505037

約数の個数: 24

約数和(自身を含む): 8435428512

約数和(自身を除く): 4428658372

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 504631, 1009262, 2018524, 2523155, 5046310, 10092620, 200338507, 400677014, 801354028, 1001692535, 2003385070, 4006770140]

約数ペア:

[(1, 4006770140), (2, 2003385070), (4, 1001692535), (5, 801354028), (10, 400677014), (20, 200338507), (397, 10092620), (794, 5046310), (1588, 2523155), (1985, 2018524), (3970, 1009262), (7940, 504631)]