40538860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{24421}}^1$

素因数の和:24513

約数の個数: 24

約数和(自身を含む): 86160816

約数和(自身を除く): 45621956

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 24421, 48842, 97684, 122105, 244210, 488420, 2026943, 4053886, 8107772, 10134715, 20269430, 40538860]

約数ペア:

[(1, 40538860), (2, 20269430), (4, 10134715), (5, 8107772), (10, 4053886), (20, 2026943), (83, 488420), (166, 244210), (332, 122105), (415, 97684), (830, 48842), (1660, 24421)]