53401640

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{7717}}^1$

素因数の和:7901

約数の個数: 32

約数和(自身を含む): 120863880

約数和(自身を除く): 67462240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 7717, 15434, 30868, 38585, 61736, 77170, 154340, 308680, 1335041, 2670082, 5340164, 6675205, 10680328, 13350410, 26700820, 53401640]

約数ペア:

[(1, 53401640), (2, 26700820), (4, 13350410), (5, 10680328), (8, 6675205), (10, 5340164), (20, 2670082), (40, 1335041), (173, 308680), (346, 154340), (692, 77170), (865, 61736), (1384, 38585), (1730, 30868), (3460, 15434), (6920, 7717)]