40766420

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{1619}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 85730400

約数和(自身を除く): 44963980

約数列:

[1, 2, 4, 5, 10, 20, 1259, 1619, 2518, 3238, 5036, 6295, 6476, 8095, 12590, 16190, 25180, 32380, 2038321, 4076642, 8153284, 10191605, 20383210, 40766420]

約数ペア:

[(1, 40766420), (2, 20383210), (4, 10191605), (5, 8153284), (10, 4076642), (20, 2038321), (1259, 32380), (1619, 25180), (2518, 16190), (3238, 12590), (5036, 8095), (6295, 6476)]