40012420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40829}}^1$

素因数の和:40852

約数の個数: 36

約数和(自身を含む): 97747020

約数和(自身を除く): 57734600

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40829, 81658, 163316, 204145, 285803, 408290, 571606, 816580, 1143212, 1429015, 2000621, 2858030, 4001242, 5716060, 8002484, 10003105, 20006210, 40012420]

約数ペア:

[(1, 40012420), (2, 20006210), (4, 10003105), (5, 8002484), (7, 5716060), (10, 4001242), (14, 2858030), (20, 2000621), (28, 1429015), (35, 1143212), (49, 816580), (70, 571606), (98, 408290), (140, 285803), (196, 204145), (245, 163316), (490, 81658), (980, 40829)]