4042960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 9515016

約数和(自身を除く): 5472056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 521, 776, 970, 1042, 1552, 1940, 2084, 2605, 3880, 4168, 5210, 7760, 8336, 10420, 20840, 41680, 50537, 101074, 202148, 252685, 404296, 505370, 808592, 1010740, 2021480, 4042960]

約数ペア:

[(1, 4042960), (2, 2021480), (4, 1010740), (5, 808592), (8, 505370), (10, 404296), (16, 252685), (20, 202148), (40, 101074), (80, 50537), (97, 41680), (194, 20840), (388, 10420), (485, 8336), (521, 7760), (776, 5210), (970, 4168), (1042, 3880), (1552, 2605), (1940, 2084)]