317052080

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{25243}}^1$

素因数の和:25413

約数の個数: 40

約数和(自身を含む): 741870672

約数和(自身を除く): 424818592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 25243, 50486, 100972, 126215, 201944, 252430, 403888, 504860, 1009720, 2019440, 3963151, 7926302, 15852604, 19815755, 31705208, 39631510, 63410416, 79263020, 158526040, 317052080]

約数ペア:

[(1, 317052080), (2, 158526040), (4, 79263020), (5, 63410416), (8, 39631510), (10, 31705208), (16, 19815755), (20, 15852604), (40, 7926302), (80, 3963151), (157, 2019440), (314, 1009720), (628, 504860), (785, 403888), (1256, 252430), (1570, 201944), (2512, 126215), (3140, 100972), (6280, 50486), (12560, 25243)]