40406660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{727}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 97353984

約数和(自身を除く): 56947324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 727, 794, 1454, 1588, 1985, 2779, 2908, 3635, 3970, 5089, 5558, 7270, 7940, 10178, 11116, 13895, 14540, 20356, 25445, 27790, 50890, 55580, 101780, 288619, 577238, 1154476, 1443095, 2020333, 2886190, 4040666, 5772380, 8081332, 10101665, 20203330, 40406660]

約数ペア:

[(1, 40406660), (2, 20203330), (4, 10101665), (5, 8081332), (7, 5772380), (10, 4040666), (14, 2886190), (20, 2020333), (28, 1443095), (35, 1154476), (70, 577238), (140, 288619), (397, 101780), (727, 55580), (794, 50890), (1454, 27790), (1588, 25445), (1985, 20356), (2779, 14540), (2908, 13895), (3635, 11116), (3970, 10178), (5089, 7940), (5558, 7270)]