16171840

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:635

約数の個数: 56

約数和(自身を含む): 38980872

約数和(自身を除く): 22809032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 521, 776, 970, 1042, 1552, 1940, 2084, 2605, 3104, 3880, 4168, 5210, 6208, 7760, 8336, 10420, 15520, 16672, 20840, 31040, 33344, 41680, 50537, 83360, 101074, 166720, 202148, 252685, 404296, 505370, 808592, 1010740, 1617184, 2021480, 3234368, 4042960, 8085920, 16171840]

約数ペア:

[(1, 16171840), (2, 8085920), (4, 4042960), (5, 3234368), (8, 2021480), (10, 1617184), (16, 1010740), (20, 808592), (32, 505370), (40, 404296), (64, 252685), (80, 202148), (97, 166720), (160, 101074), (194, 83360), (320, 50537), (388, 41680), (485, 33344), (521, 31040), (776, 20840), (970, 16672), (1042, 15520), (1552, 10420), (1940, 8336), (2084, 7760), (2605, 6208), (3104, 5210), (3880, 4168)]