165743240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318737}}^1$

素因数の和:318761

約数の個数: 32

約数和(自身を含む): 401609880

約数和(自身を除く): 235866640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 318737, 637474, 1274948, 1593685, 2549896, 3187370, 4143581, 6374740, 8287162, 12749480, 16574324, 20717905, 33148648, 41435810, 82871620, 165743240]

約数ペア:

[(1, 165743240), (2, 82871620), (4, 41435810), (5, 33148648), (8, 20717905), (10, 16574324), (13, 12749480), (20, 8287162), (26, 6374740), (40, 4143581), (52, 3187370), (65, 2549896), (104, 1593685), (130, 1274948), (260, 637474), (520, 318737)]