173125640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{15971}}^1$

素因数の和:16253

約数の個数: 32

約数和(自身を含む): 390994560

約数和(自身を除く): 217868920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 15971, 31942, 63884, 79855, 127768, 159710, 319420, 638840, 4328141, 8656282, 17312564, 21640705, 34625128, 43281410, 86562820, 173125640]

約数ペア:

[(1, 173125640), (2, 86562820), (4, 43281410), (5, 34625128), (8, 21640705), (10, 17312564), (20, 8656282), (40, 4328141), (271, 638840), (542, 319420), (1084, 159710), (1355, 127768), (2168, 79855), (2710, 63884), (5420, 31942), (10840, 15971)]