201280840

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{7477}}^1$

素因数の和:8161

約数の個数: 32

約数和(自身を含む): 453615480

約数和(自身を除く): 252334640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 7477, 13460, 14954, 26920, 29908, 37385, 59816, 74770, 149540, 299080, 5032021, 10064042, 20128084, 25160105, 40256168, 50320210, 100640420, 201280840]

約数ペア:

[(1, 201280840), (2, 100640420), (4, 50320210), (5, 40256168), (8, 25160105), (10, 20128084), (20, 10064042), (40, 5032021), (673, 299080), (1346, 149540), (2692, 74770), (3365, 59816), (5384, 37385), (6730, 29908), (7477, 26920), (13460, 14954)]