128516590420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1277}}^1\times {\mathrm{30871}}^1$

素因数の和:32320

約数の個数: 48

約数和(自身を含む): 271762017408

約数和(自身を除く): 143245426988

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1277, 1630, 2554, 3260, 5108, 6385, 12770, 25540, 30871, 61742, 123484, 154355, 208151, 308710, 416302, 617420, 832604, 1040755, 2081510, 4163020, 5031973, 10063946, 20127892, 25159865, 39422267, 50319730, 78844534, 100639460, 157689068, 197111335, 394222670, 788445340, 6425829521, 12851659042, 25703318084, 32129147605, 64258295210, 128516590420]

約数ペア:

[(1, 128516590420), (2, 64258295210), (4, 32129147605), (5, 25703318084), (10, 12851659042), (20, 6425829521), (163, 788445340), (326, 394222670), (652, 197111335), (815, 157689068), (1277, 100639460), (1630, 78844534), (2554, 50319730), (3260, 39422267), (5108, 25159865), (6385, 20127892), (12770, 10063946), (25540, 5031973), (30871, 4163020), (61742, 2081510), (123484, 1040755), (154355, 832604), (208151, 617420), (308710, 416302)]